Best Usb Type A Serial Adapters in 2026
Daisy
Last Updated: Jul 17, 2026
Daisy
Last Updated: Jul 17, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Store4PC | 9.94 | ✅ | ✅ | ✅ |
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
Programmable baud rate from 75bps to 12Mbps. Typical speeds up to 230Kbps
Plug and play creation of a COM port. Powered by USB - no external power needed
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BenfeiDirect | 9.86 | ✅ | ✅ | ✅ |
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;
WIDE COMPATIBILITY: USB to RS232 adapter is with Prolific PL-2303 Chipset for widest possible compatibility with Windows 10, 8, 7, XP, Vista, 2000, 98, MacOS8 or higher, Linux 2.4.0 and later, and other platforms.
18 MONTH WARRANTY: Exclusive BENFEI Unconditional 18-month Warranty ensures long-time satisfaction of your purchase; Friendly and easy-to-reach customer service to solve your problems timely
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BenfeiDirect | 9.86 | ✅ | ✅ | ✅ |
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; Pay attention, it's not the USB to VGA(DB15) solution, unable to mirror video/audio to external montor. It's the USB to DB9 solution.
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;
WIDE COMPATIBILITY: USB to RS232 adapter is with Prolific PL-2303 Chipset for widest possible compatibility with Windows 11, 10, 8, 7, XP, Vista, 2000, 98, MacOS8 or higher, Linux 2.4.0 and later, and other platforms.
18 MONTH WARRANTY: Exclusive BENFEI Unconditional 18-month Warranty ensures long-time satisfaction of your purchase; Friendly and easy-to-reach customer service to solve your problems timely
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DTECH Co.,Ltd | 9.89 | ✅ | ✅ | ✅ |
RS232 USB to serial female adapter cable allows any PC to connect serial devices and programs that communicate through COM ports
DB9 Serial cable to USB adapter is designed for connecting Serial devices such as DB9 equipped PCs, routers, GPS, Programming machine, barcode scanners, label writers, serial modems, digital cameras, card readers, palm PCs and digital organizers, etc
6ft USB to serial cable with standard USB Type A Male to standard 9-pin DB9 Female RS-232 serial connector
USB to RS232 adapter is with Prolific PL-2303 Chipset for widest possible compatibility with Windows 11, 10, 8, 7, XP, Vista, 2000, 98, MacOS8 or higher, Linux 2.4.0 and later, and other platforms.
Note that the interface is 9-pin RS232 Female socket, please make sure that your serial device with a 9-pin Male Port before purchasing this USB to serial port adapter with Prolific PL2303 chipset (NOT FTDI chip)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DTECH Co.,Ltd | 9.89 | ✅ | ✅ | ✅ |
(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)
Prolific USB to RS232 adapter is with PL-2303 Chipset supports Windows 11, 10, 8, 7, XP, Vista, 2000, 98, MacOS8 or higher, Linux 2.4.0 and later , and other platforms
Note that the interface is 9-pin RS232 Female, please make sure that your serial device with a 9-pin Male Port before purchasing this USB to serial port adapter with Prolific PL2303 chipset (NOT FTDI chip)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SBT OUTLET | 9.50 | ❌ | ❌ | ❌ |
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
Programmable baud rate from 75bps to 12Mbps. Typical speeds up to 230Kbps
Plug and play creation of a COM port. Powered by USB - no external power needed
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Triplenet Pricing INC | 9.81 | ❌ | ❌ | ❌ |
Tripp-Lite Keyspan USB Serial Adapter
Model: USA-19HS
Ports: 1-USB Type A, 1-Serial
OS Compatibility: Windows & Mac
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Benfei | 2 |
| Dtech | 2 |
| Sabrent | 2 |
| Tripp Lite | 1 |
We've carried out a comprehensive analysis of 9,658 reviews on serial adapters, using our selection criteria to identify the best options in the computers & accessories. Our findings reveal that most customers typically select serial adapters priced around $15.64, with top brands including oikwan, kingdee inc, warmstor, dtech, startech, benfei, dsd tech, sabrent and godshark and top-longer
Our team of expert editors reviewed these high-quality items and handpicked the top 7 serial adapters for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the computers & accessories category. These include oikwan, kingdee industrial co.,ltd, warmstor, dtech co.,ltd, amazon.com, benfeidirect, dsd tech direct, store4pc and aflatroad and top-longer .
We are dedicated to assisting our users in finding the right adapters Products based on their needs, saving them considerable time when choosing which serial adapters to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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