Best Male Serial Adapters in 2026

Serial adapter allows a serial device to be connected to a USB computer

Plug-and-play convenience:DB9 serial port is seen as a COM port by your computer, and is available for use by any program that accesses COM ports

No need for an external power adapter:draws power directly from your computer via the USB connection

How it works: This USB to rs232 adapter connects to serial devices via a USB port, such as serial digital cameras equipped with DB9, label writers, handheld computers, barcode scanners, PDAs, etc. This USB to serial adapter is widely used in shopping malls, offices, etc.

Multi-system compatibility: This usb to serial adapter is compatible with Win 7 8 10 Win XP Vista Mac OS Linux system. It would automatically update the driver for Win8 and above. For windows 7, Mac OS, please install the CD driver in the package. Note: Linux only supports the use of kernel version 2.6-5.2.

Multi-device compatibility: This USB to rs232 adapter is suitable for computers (computers or laptops) to connect various RS232 serial devices, such as cash registers, LED and LCD text displays, digital cameras, POS, Bar code scanners, door control system, printers, CNC controllers, scanners, etc.

Product name : DB9 Serial adapter; terminal wire range : 12-24AWG

Design : Screw Type;Total Size : 58 x 35 x 21mm/2.3" x 1.4" x 0.83"(L*W*H)

Cable Hole Dia. : 5mm/0.2'' 6mm/0.23'' 7mm/0.27'' 10mm / 0.4";Material : Metal,Electric Part

Product name : DB9 male adapter + DB9 female adapter; total Size : 45 x 31 x 18mm/1. 8" x 1. 2" x 0. 71"(L*w*h)

Fixing Hole diameter : 3mm; fixing hole center distance : 6mm/0. 24 inch

Material : metal, electric part; color : black, Green

Wide range of applications: USB to RS232 DB9 male serial adapter can work with your Windows (10 / 8.1 / 8 / 7 / Vista / XP), MAC or Linux system and other platforms. USB adapter is designed to connect to serial devices, such as serial modem with DB9, ISDN terminal adapter, digital camera, label writer, palm computer, barcode scanner, PDA, cash register, CNC, PLC controller, tax printer, POS, bar code scanner, label printer, etc

High quality: ftdi usb serial,the latest ftdi chip set ensures more reliable and faster operation. USB 2.0 to RS232 male DB9 console cable will support 1Mbps date transfer rate

Most convenient: rs232 to usb simple installation, plug and play, COM port creation, baud rate can be changed to the required settings. USB power supply - no external power supply required.

Allows any PC to connect serial devices and programs that communicate through COM ports

6 FT cable with standard USB Type A Male to standard 9-pin DB9 RS-232 serial connector

PL-2303 Chipset for widest possible compatibility with Windows, Mac, Linux, and other platforms

USB TO RS232 SERIAL - Connect legacy DB-9 serial communications devices to a modern computer with USB

LEGACY SUPPORT - Add a 9-pin DB9 RS-232 serial port to any modern computer, replaces built-in or PCIe serial adapters, recommended for use with a serial cable or NULL modem cable

FLEXIBLE - Programmable baud rate from 75 bits per second to 128,000 bits per second. Plug-and-play creation of a COM port. Powered by USB; no external power needed

With insulation foam at the bottom

All-copper base, contacted better and more antioxidative

All signal ports named and labeled clearly

Converts standard, straight wired cables to null modem wiring

Null modem configuration with pin 9 open.

Slimline design reduces leverage strain on computer ports

(NOTE: THIS IS NOT AN OTG ADAPTER) Enables you to connect two USB cables together for a longer cable.

Occupies very little space and compact enough to carry it everywhere.

Offers data transfer speeds of up to 5 Gbit/s and also supports up to 2 Amps of power output.

★【Excellent Quality】Brand New and High Quality DB9 Solderless RS232 D-SUB Serial to 9Pin Port Terminal DB9 Male Adapter Connector Breakout Board.

★【Powerful Function】Pure Copper Plated Joints, Fine Solder Joints, Resistance to Plug, And Good Contact to Ensure High-Quality, Durability and a Long Life.

★【Easy Installation】All Signal Ports Are Clearly Named and Labeled on Both Sides of The Board.The Housing is Designed with a Folding Buckle for Easy Assembly and Disassembly Without Tools.

⚡【Contact Seller】Free Lifetime Replacement or Money-back Guarantee if quality issue, please feel free to contact us via Amazon.1,Find your purchased order. 2,Click button "Contact Seller".

⚡【Upgraded 16mm DB9 Connector】No soldering needed! The BIFALE Upgraded DB9 connector is thinner than others. Thin but hard. Easier to install and disassembly. And has fine solder joints, which can withstand 2,000+ pluging and unpluging tests. Shell with non-slip design.

⚡【Premium 4N OFC 】The inner pin of db9 connector is made of 4N OFC material. Own a better connectivity, provide stable signal transmission. Anti-corrosion, anti-oxidation. All signal ports are clearly named and labeled on both sides of the board for quick wiring. Terminal wire range : 16-26AWG.

HIGH QUALITY&DURABLE: Pure copper plated joints, fine solder joints, resistance to plug, and good contact to ensure high-quality, durability and a long life. The outer casing is made of environmentally friendly PP engineering material, which is soft and durable.

EASY TO USE: No welding required, 128 type environmental protection copper terminal design, no need for soldering iron and cumbersome tools, easy wiring. The housing is designed with a folding buckle for easy assembly and disassembly without tools.

HIGH COMPATIBILITY: It can connect all kinds of serial devices. Such as computer and tax control machine, digital camera,PLC, PDA, MODEM, set-top box, barcode machine, industrial instrumentation and other equipment for communication.

★ Please install drivers from CableCreation website before getting it to work.★ Connectivity: connect serial DB9 (9 PIN) devices such as a modem to a USB port on your computer. Installed as a standard Windows COM ports, Full RS-232 modem control signals, RS-232 data signals; TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND.

►Built-in with FTDI Chipest: supports Windows 10/ 8.1/ 8/ 7/ Vista/ XP/ 2000 / Linux 2.4 or above, Mac OS X 10.6 and above,OpenBSD 2.9 and later & FreeBSD 4.7 and above.

►Wide Compatibility: USB to RS232 adapter works with modems, ISDN Terminal Adapters, digital cameras, label writers, palm PCs, PDAs, cashier register, CNC, PLC controller, tax printer, POS, bar code scanner, label printer, and devices with DB9 serial ports.

Convert your DB9 male connector into an RJ45 female connector

Used for modular RS232 RS422 and RS485 connections

Can be used to make customized serial connections

HOW IT WORKS: BENFEI USB to RS232 DB9 Male Serial Adapter is designed for connecting to serial devices such as DB9 equipped serial modems, ISDN Terminal Adapters, digital cameras, label writers, palm PCs, barcode scanners, PDAs etc through USB port with 1Mbps data transfer rate;

CONNECTORS: With standard USB Type A Male to standard Male 9-pin DB9 RS-232 serial connector; Please pay attention: it's not the USB to VGA cable or USB to DB9 cable. If you need USB-VGA, please refer to our detail page

CONDUCTOR & SHIELDING: Tinned Copper Conductor(Wire guage#24#28) and triple shielding ensure the best data transfer rate. Powered by USB port, no external power adapter required. Simple installation, plug & play after one time driver installation;

(It's not USB to VGA monitor cable ) Male serial to USB cable (DB9 9 pin to USB A male) allows your PC to connect RS-232 serial devices and programs that communicate through COM ports

RS232 USB to serial adapter with FTDI chip is designed for connecting serial devices such as DB9 equipped PC, router, GPS, Programming machine, barcode scanner, label writer, serial modem, digital camera, card reader, palm PC and digital organizer, etc

USB to RS232 cord for Windows 11, 10, 8.1, 8, 7, Mac OS 8 or higher, Linux 2.4.0 and later (9 wire pinout 1-9: DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS, RI)

USB TO RS232 SERIAL – 5ft in length serial adapter. Connect legacy DB-9 serial communications devices to a modern computer with USB

EASY TEST - Easy test RS-232 host to device link. With a full LED, dual color display, tester output. This will make testing your connections with ease.

COMPATABILITY - With support on multiple OS platforms this makes our USB RS- 232 very versatile. Supported OS platforms are Windows 7, 8, 10, and 11 as well as Linux and MacOS 10.X

Convert a DB9 male connection to a DB9 female connection; use for serial applications.

Connector 1: (1) DB9 Female

Connector 2: (1) DB9 Female

CONNECTIVITY – 3 ft. blue USB to RS-232 serial converter cable with clear USB jacket. Works by connecting the USB Type-A port into the host computer, and then connecting the RS-232 DB-9 male end to the female serial port.

LED INDICATORS - LED activity indicators for Power, TX and RX serial signals. The LED’s allow a visual indication of the signal activity as TX and RX RS-232 signals are communicating.

CHIPSET- FTDI Chipset Inside: FT232RL and Ultra Fast 920K ZyWyn ZT232E for superior operation in serial communication.

HIGH QUALITY&DURABLE: Pure copper nickel plated joints, fine solder joints, resistance to plug, and good contact to ensure high-quality, durability and a long life. The outer casing is made of environmentally friendly PP engineering material, which is soft and durable.

EASY TO USE: No welding required, 128 type environmental protection copper terminal design, no need for soldering iron and cumbersome tools, easy wiring.

HIGH COMPATIBILITY: It can connect all kinds of serial devices. Such as computer and tax control machine, digital camera,PLC, PDA, MODEM, set-top box, barcode machine, industrial instrumentation and other equipment for communication.

9 pin serial to USB cable male to male port allows PC to connect serial RS-232 devices and programs that communicate through COM port (NOT VGA-Monitor-Video-Cord )

RS232C DB9 to USB adapter with gold plated connector ensures reliable data communication compared to the nickel plated DB9 interface

RS232 to USB cord with prolific PL2303 chipset supports Windows 11 10 8.1 8 7, Mac OS8 or higher, Linux 2.4.0 and later

RS-232 GENDER CHANGER FEMALE: The DB9 gender changer converts a DB9 9-pin male connector into a DB9 9-pin female connector and will work with any serial devices.

MINI DB9 CONNECTORS: 2 x Serial DB-9 (9 pin) Female Gender Changer. 9 way Female / Female Connectors, 9 Pin Serial RS232 gender Changer.

PLUG AND PLAY: No power needed. Tight and stable structure, small resistance transmission stability.

A simple, cost effective solution to process serial data communication between RS232 COM port devices over inexpensive cat5 cat6 RJ45 network cable

DB9 male to RJ45 modular adapter converts DB9 male connector into an RJ45 female connector (DB9 male - RJ45 Female pinout: straight through 1-1, 2-2, 3-3, 4-4, 5-5, 6-6, 7-7, 8-8, 9-x)

A pair of DB9 to RJ45 socket coupler can be used a extender to extend rs232 serial signals up to 65ft

This USB 2.0 to RS-232 Serial Adapter provides instant connectivity with modems, ISDN Terminal Adapters, PDS, handheld & pocket PCs, digital cameras, POS, label riters,serial printers etc. It is suitable for remote access, retail and industrial applications, data collection and other applications requiring a High speed and or Low serial communications port. 

Connect a RS-232 Serial device to the USB port on your computer or Android tablet

Compatible with Windows 10, 8, 7, Vista, 2000, XP, 98, Apple MAC OS8 or higher, Linux 2.4.0 and later, OpenBSD 2.9 and later & FreeBSD 4.7 and later

Allows any PC to connect serial devices and programs that communicate through COM ports

6 feet cable with standard USB Type A Male to standard 9-pin DB9 RS-232 serial connector

PL-2303 Chipset for widest possible compatibility with Windows, Mac, Linux, and other platforms

(NOT VGA Monitor Cable) 3ft USB to serial FEMALE adapter cable allows PC computer to connect RS-232 serial device that communicate through COM ports

PL2303 Chip RS232 serial cable to USB adapter is designed for connecting 9 pin Serial devices such as DB-9 equipped PC, routers, GPS, Programming machine, barcode scanner, label writer, serial modem, digital camera, card reader, palm PC and digital organizer, etc

3 ft serial to USB adapter cable with standard USB Type A Male port and DB9 female serial connector (9 wire pinout 1-9: DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS, RI)

Control your computer from anywhere in the room up to 20 meters using the included 2.4GHz RF remote

2.4GHz receiver utilizing universal USB 9 pin Male connector

Includes power / reset switch Y cable

Convert an HD15 female port to a DB9 female port

Connector 1: (1) HD15 Male

Connector 2: (1) DB9 Female

Connector: DB9 Female / HD15 Male

Type: Molded Adapter / Color: Beige

Does Not Convert Serial DB9 RS-232 Data Port to VGA Video Signal. Connect Multi-Sync DB9 Video to HD15 VGA Video. Please also check picture of the wiring diagram.