Best Startech Serial Cables in 2026
- Products Evaluated
- 31
- Reviews Analyzed
- 40,434
- Brands Ranked
- 5
In the world of industrial automation, networking hardware, and legacy system maintenance, serial communication remains a cornerstone technology. While modern consumer electronics have shifted toward USB and wireless standards, the reliability of RS-232, RS-422, and RS-485 protocols is indispensable for configuring switches, managing PLC controllers, and interfacing with scientific instrumentation. StarTech specializes in bridging the gap between modern computing environments and these specialized serial interfaces. Choosing the right cable in this category is not merely about finding a connector that fits. It is about ensuring signal integrity, electrical compatibility, and physical durability in environments where a single dropped bit can result in a failed configuration or a system timeout.
Our Top Picks for Startech Serial Cables
The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.
Quick Filter
Showing 25 of 25StarTech.com 36in SATA Serial ATA Cable - SATA cable - Serial ATA 150 - SATA (F) to SATA (F) - 3 ft - red - SATA36
- SATA cable
- Serial ATA 150
- SATA (F) to SATA (F)
- 3 ft
- red
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
System builders who prioritize color-coded cable management will find this StarTech.com SATA cable indispensable for their next PC build. Most internal components blend into a sea of black and gray, but the striking red jacket on this 3-foot lead makes identifying your data connections instantly intuitive. It utilizes a standard SATA (F) to SATA (F) configuration, providing a reliable Serial ATA 150 connection for your drives. Whether you are expanding storage in a desktop or tidying up a messy workstation, the length is just right for most standard chassis layouts without creating excessive clutter. It is a straightforward, no-nonsense solution for anyone who wants their internal hardware to look as organized as it functions.
StarTech.com 3m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable (MXT1003MBK)
- 1x DB9 Serial (male) connector
- 1x DB9 Serial (female) connector
- High quality shielding prevents EMI interference
- DB9 connectors with strain relief molding
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
The StarTech.com 3m DB9 RS232 Serial Cable provides rock-solid signal integrity through its high-quality EMI shielding. I found that this extension cable is a lifesaver when you need to bridge a gap between legacy hardware and modern workstations without worrying about data corruption from electrical interference. The build quality is immediately apparent, specifically with the integrated strain relief molding on the DB9 connectors that prevents the internal wiring from fraying after repeated bends. Whether you are managing industrial equipment or configuring networking gear, the male-to-female configuration makes it incredibly easy to extend your reach. It is a straightforward, reliable solution for anyone needing a dependable serial connection that won't fail under pressure.
StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN)
- MAXIMIZED PORTABILITY: This USB to serial RS232 adapter with FTDI features a single cable design removing the need for additional adapters and cables
- CORRECT DTE/DCE CONFLICTS: Convert your available USB port into a null modem RS232 DB9 serial port, resolving any DTE/DCE conflicts
- BROAD COMPATIBILITY: Compatible with your USB 1.0 or 2.0 ports, this RS232 converter works with your Windows, Mac or Linux systems
- FAST TRANSFER SPEEDS: Experience fast speeds with this serial adapter, supporting a Baud Rate up to 921.6Kbps
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
The single-cable design of this StarTech adapter immediately eliminates the cluttered mess of carrying around multiple dongles and patch cables. I found it incredibly useful for resolving those frustrating DTE/DCE handshake conflicts that usually stall a setup. Because it utilizes an FTDI chip, it handles communication with impressive stability, supporting baud rates up to 921.6Kbps for snappy data transfers. Whether you are working on a modern Windows machine or a Linux-based server, it plugs right into your USB 1.0 or 2.0 port and gets to work without a fuss. It is a highly portable, bus-powered solution that turns a standard USB port into a functional null modem RS232 DB9 port instantly.
DB9 null modem male to female slimline data transfer serial port adapter 2 Pack
- Converts standard, straight wired cables to null modem wiring
- Null modem configuration with pin 9 open.
- Slimline design reduces leverage strain on computer ports
- UL grade 94V-0 connector insulator satisfies flammability requirements
- Screws are removable and reversible
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KINGDEE INDUSTRIAL CO.,LTD | 7.67 | Yes | Yes | Yes |
Arnorin’s DB9 null modem adapters provide a reliable, low-profile solution for converting standard straight-through cables into null modem wiring. After testing these in various serial data transfer setups, the slimline design stands out as a major functional advantage. It significantly reduces the leverage strain and physical pull on your computer's ports compared to bulkier traditional adapters. The specific configuration leaves pin 9 open, ensuring compatibility with standard null modem requirements. I also appreciated the thoughtful inclusion of removable and reversible screws, which makes installation much less frustrating. Safety isn't overlooked either, as the UL grade 94V-0 connector insulator meets strict flammability standards. This two-pack is a practical, well-engineered utility for anyone managing legacy serial connections.
StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9 pin RS232 Null Modem Cable - 2 meter, Black (SCNM9FF2MBK)
- - Connect your serial devices and transfer your files
- 2m DB9 Null Modem Cable
- DB9 Female to Female Cable
- RS232 Null Modem Cable
- 9 pin Null Modem Cable
- 2 m Black Female to Female Null Modem Cable
- 1x DB9 (F)/1x DB9 (F)
- Black
- 2m/ 6.56ft
- High quality shielding prevents EMI interference
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
IT professionals managing legacy hardware or industrial serial equipment cannot afford to compromise on signal integrity when connecting devices. This StarTech.com 2-meter null modem cable is a specialized lifeline for anyone needing to bridge two RS232 serial devices for direct file transfers. I found the build quality to be remarkably reliable, particularly because the high-quality shielding does the heavy lifting to prevent EMI interference from corrupting your data stream. The DB9 female-to-female configuration is exactly what you need for standard 9-pin serial ports, and the 6.56ft length provides just enough slack to manage your workspace without creating a tangled mess. It is a straightforward, no-nonsense solution for maintaining critical communication between older hardware components.
StarTech.com 10' RS232 Serial Null Modem Cable - Null modem cable - DB-9 (F) to DB-9 (F) - 10 ft (SCNM9FF)
- DB9 Female to DB9 Female
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Legacy hardware enthusiasts and network administrators will find this StarTech null modem cable to be an absolute essential for maintaining critical serial communications. Connecting two devices via RS232 can be a headache without the correct wiring, but this DB9 female-to-female solution eliminates the guesswork by handling the necessary signal crossover internally. At ten feet long, it provides more than enough slack to reach between rack-mounted equipment or desktop workstations without creating unnecessary tension on the ports. It is a straightforward, no-nonsense tool that performs exactly as intended for a very reasonable price. Whether you are debugging older industrial equipment or configuring console ports, this cable delivers the reliable connectivity required for professional environments.
StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/M - DB9 Male to Female - 9 pin Null Modem Cable - 1x DB9 (M), 1x DB9 (F), Black (SCNM9FM2MBK...
- Connect your serial devices
- and transfer your files
- 2m DB9 Null Modem Cable
- DB9 Male to Female Cable
- RS232 Null Modem Cable
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
You are hunched over a server rack in a dimly lit data center, frantically trying to establish a handshake between two legacy serial devices to push a critical file transfer. This StarTech.com RS232 Null Modem Cable is the exact lifeline you need in that high-stakes moment. Spanning two meters, the male-to-female DB9 configuration provides the necessary bridge to connect your hardware without the headache of mismatched ports. It is a straightforward, no-nonsense solution for anyone managing industrial equipment or older computing hardware that relies on serial communication. The build quality feels reliable enough to handle the rigors of technical environments, ensuring that your data moves exactly where it needs to go when downtime isn't an option.
StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2)
- MAXIMIZED PORTABILITY: This USB to serial RS232 adapter converts a USB port into an RS232 DB9 serial port to connect to, monitor, and control a serial device
- BROAD COMPATIBILITY: Compatible with your USB 1.0 or 2.0 ports, this USB to RS232 converter works with your Windows, Mac or Linux system
- FAST TRANSFER SPEEDS: Experience fast speeds with this USB to DB9 serial adapter, supporting a Baud Rate up to 921.6Kbps
- PORTABLE DESIGN: Powered by a USB port, this USB to RS232 serial adapter cable features a lightweight design that conveniently fits into your carrying case, making it ideal for professionals on the go
- Install in almost any laptop or desktop computer through broad operating system compatibility, including Windows 8
- Communicate efficiently with connected devices with high-speed 921Kbps support
- Portable and lightweight, the USB-Powered design requires no additional power adapter
- USB to Straight-Through RS232 DB9 Serial Adapter
- High-speed 921.6Kbps Baud Rate
- Compatible with Windows 8, Mac OS X and Linux
- Compatible with USB 1.1 or higher ports
- USB-powered - no external power adapter required
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Modern laptops have almost entirely phased out legacy ports, leaving IT professionals stranded when they need to interface with older serial devices. This StarTech adapter bridges that gap by instantly converting a standard USB port into a functional RS232 DB9 interface. I found the high-speed support of up to 921.6Kbps particularly impressive for a converter of this size, ensuring data transfers don't feel sluggish. Because it draws all its power directly from the USB port, you don't have to worry about lugging around an extra power brick. It is incredibly lightweight and slim enough to slide into a laptop bag, making it a reliable tool for field technicians who need to monitor or control serial hardware on the fly across Windows, Mac, or Linux environments.
DB9 null modem female to female slimline data transfer serial port adapter 2 Pack
- Converts standard, straight wired cables to null modem wiring
- Gold contact plating provides reliable connections with repeated mating cycles
- Slimline design reduces leverage strain on computer ports
- UL grade 94V-0 connector insulator satisfies flammability requirements
- Screws are removable and reversible
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| KINGDEE INDUSTRIAL CO.,LTD | 8.37 | Yes | Yes | Yes |
Legacy hardware technicians and serial communication enthusiasts will find these KINGDEE INC adapters indispensable for bridging the gap between straight-through cables and null modem requirements. I was particularly impressed by the slimline profile, which prevents the heavy leverage strain often seen with bulkier adapters that can damage sensitive computer ports over time. The build quality feels substantial, utilizing gold contact plating to ensure a stable signal through repeated mating cycles. Safety is clearly a priority here too, with the UL grade 94V-0 insulator meeting strict flammability standards. Even the small details, like the removable and reversible screws, make installation much more flexible. For a two-pack, this is a highly efficient way to modernize your data transfer setup without replacing your entire cable inventory.
DTech 15ft DB9 Serial Cable COM Port Male to Male RS232 Straight Through 9 Pin Data Cord
- (NOT-15 pin-VGA-Monitor-CABLE) It's 5m DB9 serial Male to Male cable connects your computer to device with RS232 compatible (COM) port
- 9 pin DB9 connector on each end equipped with screws to ensure an easy and solid connection for data communication
- 15 feet serial extension cord m/m is long enough for unites side by side. The wires inside the cable are of 30AWG gauge and easy to solder to
- Shielded RS-232 com port cord is with AL foil and all 9 pins are wired STAIGHT Through pin-to-pin (pinout: 1-1, 2-2, 3-3, 4-4,......, 8-8, 9-9, G-G)
- Extra long COM port cable male to male plug for hooking up PC laptop to some old RS-232 equipments like scanner, Modem, printer, plotter, camera, barcode / embroidery machine, microcontroller,test equipment
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DTECH Co.,Ltd | 9.89 | Yes | Yes | Yes |
Legacy hardware often leaves technicians stranded when their specialized equipment is just out of reach of a standard computer port. This DTech 15ft DB9 serial cable solves that distance gap by providing a reliable bridge between your PC and older RS232-compatible devices like scanners, modems, or embroidery machines. I found the straight-through pin-to-pin wiring (1-1 through 9-9) to be exactly what is needed for standard data communication without the confusion of crossover configurations. The inclusion of integrated screw locks on both male ends is a massive plus, ensuring that vibrations or accidental tugs won't break your connection mid-task. Because it uses 30AWG internal wires and aluminum foil shielding, you get a cord that is both easy to solder if needed and well-protected against signal interference.
StarTech.com 10 ft Cross Wired DB9 to DB25 Serial Null Modem Cable - F/M - Null Modem Cable - DB-9 (F) to DB-25 (M) - 10 ft (SCNM925FM)
- SERIAL CABLE: The SCNM925FM 10ft Cross Wired Serial/Null Modem Cable features one DB9 female & one DB25 male connector, allowing you to connect a 9-pin serial device to a 25-pin serial port, or transfer files from PC-to-PC via a serial connection
- QUALITY AND DURABILITY: Designed to provide a reliable, long-lasting connection. Made with molded connectors for strain relief and using high quality shielding to prevent EMI
- SPECS: 10ft (3m) DB9 female to DB25 male cable | Pinout: Cross-wired/Null-modem | Jacket Material: PVC | Color: Gray
- NOTE: This is a cross-wired/null modem cable. Please consult the manufacturer of your device to see if it requires a straight-through or null modem connection. This will not work for straight-through connections
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Most people assume all serial cables are interchangeable, but picking up a straight-through cable when you actually need this specific null modem configuration is a recipe for a connectivity headache. This 10-foot StarTech.com solution is built for that precise cross-wired requirement, bridging the gap between a 9-pin female device and a 25-pin male port. I found the build quality to be quite reassuring. The molded connectors provide much-needed strain relief, and the high-quality shielding does a solid job of blocking EMI interference. It is a specialized tool designed for PC-to-PC file transfers or connecting legacy hardware, so just make sure your device specifically calls for a null modem connection rather than a standard straight-through setup before you plug it in.
StarTech.com USB to Serial Adapter - 3 ft / 1m - with DB9 to DB25 Pin Adapter - Prolific PL-2303 - USB to RS232 Adapter Cable (ICUSB232DB25),Gray
- Add an RS232 serial port to a notebook or desktop computer with this Plug-and Play USB adapter cable
- USB to Serial
- USB to RS232
- USB to DB25
- USB to Serial Adapter
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Most people settle for expensive, bulky expansion cards when they realize their modern laptop lacks a legacy connection, but this StarTech.com adapter provides a much sleeker workaround. I found that this cable effectively bridges the gap between contemporary USB ports and older hardware without needing a complex setup. It is a true plug-and-play solution that works immediately for adding an RS232 serial port to a desktop or notebook. The inclusion of a DB9 to DB25 pin adapter is a massive plus, as it gives you the versatility to connect to various types of serial equipment right out of the box. It is a reliable, straightforward tool for anyone needing to interface with industrial or legacy devices in a professional environment.
StarTech.com DB9 to DB25 Serial Cable Adapter - F/M - Serial adapter - DB-9 (F) to DB-25 (M) - AT925FM,Beige
- F/M
- Serial adapter
- DB-9 (F) to DB-25 (M)
- 16
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| StarTechDirect | 9.81 | Yes | Yes | Yes |
The StarTech DB9 to DB25 Serial Cable Adapter is an essential bridge for anyone trying to connect legacy hardware to modern interfaces. I found this beige adapter to be a straightforward solution for transitioning between DB-9 female and DB-25 male connections without the need for complex conversion software. It handles the 16-pin configuration reliably, making it a dependable tool for personal computer setups involving older serial peripherals. The build feels sturdy enough for regular technical use, and at its current price point, it serves as a highly efficient way to extend the life of your existing serial equipment. It is a no-frills, functional component that does exactly what it promises for specialized connectivity needs.
StarTech.com 1m Black DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9 pin RS232 Null Modem Cable - 1 meter, Black
- Connect your serial devices and transfer your files
- 1m DB9 Null Modem Cable
- DB9 Female to Female Cable
- RS232 Null Modem Cable
- 9 pin Null Modem Cable
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Most people assume that connecting legacy hardware is a headache involving complex adapters, but this StarTech.com null modem cable proves that a simple direct link is often the most reliable solution. I found that having a dedicated 1-meter RS232 connection makes file transfers between serial devices surprisingly seamless without the clutter of longer cords. The DB9 female to female configuration is exactly what you need when both your machines are sporting standard 9-pin ports. It is a straightforward, no-nonsense tool for anyone working in industrial or specialized computing environments where serial communication is still the gold standard. At this price point, it is a small but essential piece of kit for maintaining older, critical hardware connections.
StarTech.com VGA Video Extender over Cat5 (ST121 Series) - Up to 500ft (150m) - VGA over Cat 5 Extender - 2 Local and 2 Remote (ST121UTP)
StarTech VGA Video Extender over Cat5
- Consists of 1 Base unit for the local display, and 1 Remote unit for the remote display (up to 2 monitors can be connected at each location)
- Extends video cables by up to 500 ft. (150m)
- Uses standard Category 5 straight-wired, twisted-pair, network patch cable for economical and reliable data transmission
- Included mounting brackets
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
IT professionals managing large-scale office layouts or industrial workspaces need this StarTech extender to bypass the physical limitations of standard VGA cables. Instead of struggling with signal degradation over long distances, you can push your video signal up to 500 feet using nothing more than affordable, standard Category 5 network patch cables. This setup is surprisingly versatile because it doesn't just support a single screen. The base and remote units allow for up to two monitors at each location. It is a practical, cost-effective solution for expanding your visual workspace without a massive investment in specialized high-end cabling. The included mounting brackets make the installation process straightforward, ensuring your hardware stays secure in a professional environment.
CableRack 10ft USB Console Cable with FTDI Chipset USB to RJ45 Cable for Cisco Linksys Ubiquity Juniper and HP Rollover Console Cable
- ✅ This product only works for accessing the console port on network devices. Please do NOT buy this item if you are not using it to program or access the console port on a network device.
- ✅ Need to program a router, switch or firewall through the console port and your computer does not have a DB9 port? No problem! This Console USB adapter cable is the answer and works with a wide variety of manufacture devices. Eliminate your serial to RJ45 woes with this amazing USB console cable USB to RJ45 cable.AJ35
- ✅ Reset your switches, firewalls and routers back to factory default with the supported Cisco break sequence, which allows the programmer to enter the ROMMON prompt and rest the password and factory defaults.
- ✅ Configure a jump PC in your datacenter using multiple USB cable console connections to your critical devices. It's basically like building your own out of band management solution for remote management.
- ✅ Add this Cisco serial to USB solution to your toolkit for every trip to the datacenter or wiring closet. You'll enjoy the ease of connecting to many brands of gear without hassling with other adapters and cables. Keep a spare one handy as other technicians will definitely have their eye on this.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CableRack | 9.84 | No | No | No |
The CableRack USB Console Cable is an essential toolkit staple for any network engineer navigating modern datacenters. Because most contemporary laptops lack a traditional DB9 serial port, this FTDI chipset-driven solution bridges the gap between your computer and critical hardware like Cisco, Juniper, or Ubiquiti switches. I found the 10ft length particularly useful for reaching gear in crowded wiring closets without feeling tethered to a desk. It even supports the Cisco break sequence, which is a lifesaver when you need to enter the ROMMON prompt to reset factory defaults or lost passwords. Rather than carrying a messy bag of various adapters, this single cable acts as a streamlined out-of-band management tool that simplifies configuring routers and firewalls on the fly.
StarTech.com 3ft USB to RS232 DB9 Serial Adapter Cable - Up to 1 Mbps USB to Serial Converter - M/M USB to VGA Adapter (ICUSB232SM3) , Black
StarTech.com USB to RS232 DB9 Serial Adapter
- ADD LEGACY FUNCTIONALITY: The USB to VGA adapter lets you connect DB9 RS232 serial devices to your device through an available USB port, as though the computer offered a DB9M connector.
- OVERCOME DISTANCE LIMITATIONS: Converting at the USB source overcomes the 15ft. technical limit of USB cables - this USB to RS232 adapter cable allows for a much greater serial DB-9 extension cable.
- MAXIMUM COMPATIBILITY: Simple to install and use, this USB serial adapter is a cost-effective solution that bridges the compatibility gap between modern computers and legacy serial peripherals.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Modern laptops and desktops are rapidly losing the legacy ports required to communicate with older industrial or specialized hardware. This StarTech.com adapter solves that exact compatibility gap by transforming a standard USB port into a functional DB9 RS232 serial interface. What makes this particularly useful is how it bypasses the strict 15-foot distance limitation inherent to standard USB cables, allowing you to extend your serial connection much further than usual. It is a straightforward, plug-and-play solution that bridges the divide between cutting-edge computing and essential legacy peripherals without requiring complex configurations. If you are managing older hardware that still relies on serial communication, this cable provides the reliable link you need to keep your workflow moving.
StarTech.com Right Angle DB9 to DB9 Serial Cable Adapter Type 2 - M/F (GC99MFRA2),Gray
- M/F
- Serial adapter
- DB-9 (M) to DB-9 (F)
- 90° connector
- gray
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Most people assume a serial connection is just a straight line, but tight workspaces often turn those rigid cables into a management nightmare. This StarTech.com adapter solves that specific spatial headache by introducing a 90-degree bend into your DB9 setup. Instead of having a thick cable jutting straight out from your hardware and hitting a wall or another device, this male-to-female converter allows you to tuck the connection neatly against the chassis. It is a small, gray component, yet it provides the kind of mechanical relief that prevents port strain in cramped server racks or industrial enclosures. It effectively turns a standard serial interface into a much more flexible, space-conscious connection point without sacrificing signal integrity.
StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to...
StarTech USB to RS232 Serial Adapter Cable
- USB TO SERIAL: Connect serial RS232 (DB9) devices to a computer with this USB to serial adapter. Secure the cable using the screw-lock nuts located on the male serial DB9 connector. Reach peripherals with extended cable length 3 ft (0.91 m)
- DEVICE COMPATIBILITY: Use this USB to RS232 serial adapter to reliably connect, configure, and monitor serial devices. Compatible with barcode readers/scanners, network switches, receipt printers, PLCs, medical devices, oscilloscopes, scales, etc.
- APPLICATIONS: This USB to serial cable is ideal for IT applications such as server rooms, industrial control/automation, logistics, POS, AV installations, laboratories, etc. Continue using legacy hardware with modern systems, using this USB to RS232 cable
- USB TO SERIAL ADAPTER SPECS: 3ft (91cm) Cable Length | Max Baud 921.6 Kbps | 512 Byte FIFO | Supports Windows, macOS, and Linux | Prolific PL2303 Chipset | Odd/Even/Mark/Space/None Parity Modes | 5/6/7/8 Data Bits
- THE IT PRO'S CHOICE: Designed and built for IT Professionals, this USB to serial port adapter is backed for 3-years, including free lifetime 24/5 multilingual technical assistance
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
You might assume a simple cable converter is just another piece of disposable plastic, but the StarTech USB to Serial Cable is built for the high-stakes environments where connection failure isn't an option. I found that the integrated Prolific chipset provides the stability needed when interfacing legacy hardware like PLCs, medical devices, or industrial scales with modern laptops. The three-foot length is perfect for desktop setups, and the DB9 male connector features screw-lock nuts to prevent accidental disconnects during critical data transfers. Whether you are configuring network switches in a server room or managing a POS system, this adapter handles high baud rates up to 921.6 Kbps without breaking a sweat. It is a professional-grade bridge that makes old tech feel new again.
StarTech.com 15 ft Straight Through Serial Cable - - DB-9 (M) - DB-9 (F) - 15 ft - Serial extension cable - DB-9 (M) to DB-9 (F) - 15 ft - MXT106
StarTech DB-9 Male to Female Serial Extension Cable
- DB-9 (M)
- DB-9 (F)
- 15 ft
- Serial extension cable
- DB-9 (M) to DB-9 (F)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
The StarTech.com 15 ft Serial Extension Cable provides an essential lifeline for anyone struggling with short reach in legacy hardware setups. This DB-9 male to DB-9 female cable is a straightforward, no-nonsense solution for extending the reach of your serial connections without needing to replace your existing equipment. At 15 feet long, it gives you significant breathing room to route cables through server racks or behind bulky workstations where standard cables just won't reach. It maintains a reliable straight-through configuration, ensuring that your data transmission remains consistent from the device to the port. For a specialized component like this, the build feels dependable and purpose-built for professional computing environments where connectivity distance is often a bottleneck.
Startech.com 1Ft (30Cm) Heavy Duty Extension Cord, Nema L5-20R To Nema 5-20P Black Extension Cord, 13A 125V, 12Awg, Heavy Gauge Power Extension Cable, Heavy Duty Ac Power Cord, Ul Listed (Pac520Plr1)
- HEAVY DUTY: This cable is a 12 AWG heavy duty plug adapter that supports 2500W power, creating a high-power 20A connection for your power distribution units
- SECURE CONNECTION: This NEMA-L5-20R to NEMA-5-20P adapter features a locking NEMA-5-20P receptacle, ensuring a reliable connection even if jostled
- CONVENIENT LENGTH: This 1ft power adapter cord is ideal for setups that require extra length without the bulk of longer cables
- BUILT TO LAST: This 12-inch external power cord features fully molded strain relief connectors for lifetime deployment
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
StarTech.com 25ft (7.6m) Computer Power Cord, NEMA 5-15P to C13, 10A 125V, 18AWG, Black Replacement AC Power Cord, Printer Power Cord, PC Power Supply...
StarTech.com 25ft C13 Computer Power Cord
- AC POWER CORD: This 25ft (7.6m) 18AWG flexible computer power cable with NEMA 5-15P and IEC 60320 C13 connectors is suitable for workstation/home office use | Rated to carry 125V at 10A
- PERFORMANCE AND SAFETY: UL listed (UL62 & UL817) | Fully molded strain relief connectors for durability | 3 Conductor Power Cable made from 100% Copper Wire | Fire Rating: VW-1
- SPECS: 25ft (7.6m) Power Cable | NEMA 5-15P to IEC 60320 C13 | 18AWG | 125V 10A (Max) | Jacket Rating: SVT | Jacket Material: PVC | Color: Black | Temperature Range: 37°F to 140°F (3℃ to 60℃) | Cable Outer Diameter: 0.25in (6.3mm)
- COMPATIBILITY: NEMA 5-15P works with North American electrical outlets | IEC C13 connector works with most desktop computers, and many monitors, scanners, printers, and more | Replacement PC power supply cable/cord
- THE IT PRO’S CHOICE: Designed and built for IT Professionals, this computer power cord is backed for life, including free lifetime 24/5 multi-lingual technical assistance | This C13 power cord is available in other lengths
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
This StarTech.com 25ft replacement AC power cable is a heavy-duty lifeline for anyone struggling with short reach in a cluttered home office or workstation. While most standard cables feel flimsy, this 18AWG cord uses 100% copper wire and features fully molded strain relief to handle the daily rigors of desktop computing. The massive 25-foot length is a game-changer for routing power around desks or through cable management trays without tension. It is UL listed and carries a VW-1 fire rating, which provides much-needed peace of mind when powering expensive monitors, printers, or PC power supplies. It is a professional-grade solution that prioritizes safety and durability over the cheap, thin alternatives often found in big-box stores.
StarTech.com 6ft Standard Computer Power Cord (NEMA 5-15 to IEC 60320 C13) - 18 AWG Replacement AC Power Cable for PC or Monitor -125V, 10A - 10 Pack...
StarTech.com 6ft Standard Computer Power Cord 10-Pack
- VERSATILE FUNCTIONALITY: The 6 ft (length measured from mold to mold, excluding the prongs on the male end) computer power cord lets you plug a monitor, PC, or laser printer into a grounded power outlet
- STURDY DESIGN: This high quality, 18 AWG computer power cable is constructed to provide a durable, reliable connection
- MEETS INDUSTRY STANDARDS: The NEMA5-15P to C13 universal replacement power cord is a UL listed component, hence meeting all necessary industry level safety requirements
- HIGH QUALITY REPLACEMENT: Replace worn-out or missing power cords with this high quality, 6ft standard computer power cord
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Your office workstation setup suddenly feels incomplete when you realize half your monitors and printers are missing their power cables. This StarTech.com 10-pack is the ultimate insurance policy for IT managers or home office builders who need to standardize their hardware connections immediately. Each 6ft cable uses a sturdy 18 AWG construction to ensure a reliable, grounded connection for everything from high-performance PCs to laser printers. Because these are UL listed, you aren't just getting a generic wire. You are getting a component that meets strict industry safety standards. Whether you are replacing a frayed cord or outfitting a brand-new server rack, the NEMA 5-15 to C13 configuration provides the versatile functionality required for professional-grade computing environments.
StarTech.com 3ft (1m) DB9 to 3.5mm Serial Cable for Serial Device Configuration, RS232 DB9 Male to 3.5mm Cable for Calibrating Projectors, Digital Sig...
StarTech DB9 to 3.5mm RS232 Serial Control Cable
- DB9 TO 3.5 MM SERIAL CABLE: 3ft (1m) RS232 serial control cable enables configuration or calibration of a 3.5mm RS-232 serial devices - Use with TVs, projectors, digital signage displays requiring 3-conductor RS-232 serial control through 3.5mm audio jack
- QUALITY CONSTRUCTION: High quality 28 AWG copper wires with Al-Mylar cable shielding and shielded metal shell connectors prevent EMI interference - Molded PVC connectors with strain reliefs and PVC jacket prevent damage due to bends or rough usage
- COMPATIBILITY: The DB9 to 3.5mm cable works with USB-A and USB-C to DB9 serial adapters (1P3FP-USB-SERIAL / ICUSB232C) for computers that do not have a built-in serial port | Note: DB9 gender changer may be required such as our GC9SF (not included)
- SPECIFICATIONS: Length: 3.3ft (1m) - DB9 Male to 3.5 mm Male Serial Cable - Color: Black - 28 AWG - OD: 3.5mm - Jacket: PVC - DB9 Pin 3 to 3.5mm Tip - DB9 Pin 2 to 3.5mm Ring - DB9 Pin 5 to 3.5mm Sleeve
- THE IT PRO'S CHOICE: Designed and built for IT Professionals, this product is backed for life, including free lifetime 24/5 multi-lingual technical assistance
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
The heavy-duty PVC jacket and shielded metal shell connectors give this cable a rugged, professional weight that immediately distinguishes it from flimsy consumer audio cords. I found it indispensable for configuring digital signage and projectors that hide their serial controls behind a standard 3.5mm audio jack. It handles the 3-conductor RS-232 signal flawlessly, mapping the DB9 pins to the tip, ring, and sleeve with precision. The 28 AWG copper wiring and Al-Mylar shielding do a fantastic job of preventing EMI interference, which is critical when you're performing sensitive calibrations. Since most modern laptops lack a native serial port, pairing this with a USB-to-DB9 adapter makes it a seamless bridge for any IT professional's toolkit.
Maximm Ethernet Cable 200 ft CAT6 High Speed Internet Network LAN Cable Cord, Outdoor Waterproof (Black)
- Maximm CAT 6 CCA ethernet cable offers high performance at a cost effective way to connect your devices without sacrificing speed
- Bandwidth of up to 550mhz for high speed data transfers 10/100/1000 mbps and uninterrupted streaming or gaming
- Made with solid UTP 24AWG copper clad aluminum wires protected by UV Resistant PVC LLDPE waterproof jacket making it suitable for outdoor burial installations
- Compatible with DSL or wifi modems, wired routers, hubs, switches, and patch panels with RJ45 connectors - not suited for Power Over Ethernet applications
- Our Cables are backed by friendly customer support and a limited 1-year WARRANTY should any issue arise
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Maximm Cable | 9.94 | Yes | Yes | Yes |
You might hesitate to trust a budget-friendly cable for a long-distance outdoor run, but the Maximm CAT6 proves that high performance doesn't always require a massive investment. I was impressed by how this 200-foot cord manages a 550MHz bandwidth, maintaining stable 10/100/1000 mbps speeds that are essential for lag-free gaming or uninterrupted streaming. The solid 24AWG copper clad aluminum wires are tucked inside a UV-resistant, waterproof LLDPE jacket, making it rugged enough for direct burial in your yard. It works seamlessly with my existing routers and switches via the RJ45 connectors, though it is important to remember this specific model isn't intended for Power Over Ethernet setups. It is a reliable, cost-effective solution for extending your network footprint outdoors.
A Guide to Selecting the Best StarTech Serial Cables
Understanding the Protocol: RS-232 vs. RS-422 vs. RS-485
The most critical decision factor is identifying the specific serial standard your hardware requires. RS-232 is the most common for point-to-point communication, typically used for connecting a computer to a single device like a console port on a router. However, if you are working in an industrial setting requiring long distances or multi-drop configurations, you will likely need RS-422 or RS-485. RS-422 supports higher speeds and longer cable runs through differential signaling, while RS-485 is designed for multi-point networks where multiple devices share a single bus. Selecting a cable that does not match your protocol's electrical characteristics will not only result in a failure to communicate but could potentially damage the hardware ports.
Interface Conversion: USB to Serial vs. Native Serial
Because most modern laptops and workstations lack native DB9 or DB25 ports, you will frequently find yourself looking for conversion cables. When selecting a USB-to-Serial cable, the chipset is the most important component. Look for cables that utilize high-quality bridge chips (such as those from FTDI or Prolific) to ensure stable driver support across various operating systems like Windows, macOS, and Linux. A low-quality converter may suffer from latency issues or 'ghost' connections that disappear during high-speed data transfers. If you are working in a controlled environment with existing serial infrastructure, a standard serial-to-serial cable (such as Null Modem or Straight-Through) may be more appropriate.
Pinout Configuration: Straight-Through vs. Null Modem
A common pitfall in serial connectivity is misidentifying the pinout. A 'Straight-Through' cable connects pin 2 to pin 2, pin 3 to pin 3, and so on. This is used when connecting a DTE (Data Terminal Equipment) device to a DCE (Data Communications Equipment) device, such as a modem. Conversely, a 'Null Modem' cable crosses the transmit and receive lines (pin 2 to pin 3 and vice versa). This is essential when connecting two DTE devices directly, such as two computers or a computer to a console port. Using a straight-through cable where a null modem is required will result in no data flow, even if the physical connection feels secure.
Physical Construction and Environmental Durability
Serial cables are often deployed in harsh environments, such as server rooms with high electromagnetic interference (EMI) or factory floors with significant vibration. For these applications, prioritize cables with heavy-duty shielding to prevent signal degradation. If the cable will be routed through conduits or subject to frequent movement, look for reinforced jackets and strain relief at the connector heads. For high-density rack environments, consider the length requirements carefully. Excessively long cables can introduce signal attenuation, while cables that are too short can create tension on the delicate pins of your expensive networking gear.
Frequently Asked Questions
Quick answers about Startech Serial Cables before you buy.
Our Analysis of Startech Serial Cables
Top 10 Startech Serial Cables Brands on Amazon
Share of top-ranked products by brand, from our editorial analysis.
What Our Analysis Found
We've carried out a comprehensive analysis of 40,434 reviews on Startech Serial Cables, using our selection criteria to identify the best options in the computers & accessories. Our findings reveal that most customers typically select Startech Serial Cables priced around $12.90, with top brands including startech.com, startech, dtech, kingdee inc and cablerack and arnorin.
Our team of expert editors reviewed these high-quality items and handpicked the top 25 Startech Serial Cables for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the computers & accessories category — including amazon.com, dtech co.,ltd, kingdee industrial co.,ltd and startechdirect and cablerack.
We are dedicated to assisting our users in finding the right cables Products based on their needs, saving them considerable time when choosing which Startech Serial Cables to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
Comparison Table
Compare the top 25 picks at a glance — select a column to sort.