Top 10 Best serial to usb in 2026

Last Updated - 6/10/2026

🏆Best Choice

SABRENT

SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P)

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Provides the connection between USB and the traditional RS-232 serial port.
•Supported OS: Windows 2000/ME/98SE, Windows XP (32/64-bit), Windows Vista (32/64-bit), Windows 7 (32/64-bit), Windows 8/8.1 (32/64-bit), Windows 10 and higher (32/64-bit), Mac OS X 10.6 and Above, Linux 2.4 or above.
•Easy to setup: Plug & Play - Simply plug your device into the adapter and the adapter into your PC or Mac.
•COM ports and Baud rates can be modified to desired set up.
•This product comes with LIFETIME manufacturer warranty.

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$9.99

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CableCreation

CableCreation USB to RS232 Adapter with PL2303 Chipset, 6.6ft USB 2.0 Male to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC,Black

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Gold Plated USB 2.0 Male to RS232 Female DB9 Serial Cable connects a serial DB9 (9 PIN) device, such as a modem, to a USB port on your computer. USB port with 1Mbps data transfer rate. NOTE: This USB to RS232 adapter features a female RS232 connector, NOT a male RS232 connector!!!
•Latest Prolific PL2303 chipset. supports Windows 11/10/8.1/8/7/Linux /Mac OS; NOTE: Drivers can be downloaded at Cablecreation website
•Easy Connectivity: USB to RS232 adapter works with models, ISDN terminal adapters, digital cameras, label writers, palm PCs (Windows 11, 10, Windows 8, windows 7--should auto detect and install the drivers), PDAs, cashier register, CNC, PLC controller, tax printer, POS, bar code scanner, label printer, and devices with DB9 serial ports Please note that it’s not compatible with Cutting plotter, SCM
•Tinned Copper Conductor and triple shielding ensure the best data transfer rate. USB bus powered, no external power adapter required. NOTE: If not recognized, you may need to use this serial adapter with a null modem adapter
•CableCreation offers 24 month product warranty and easy to reach lifetime customer services.This USB to RS232 Adapter is a USB 2.0 male to RS232 female DB9 serial converter cable, suitable for customers with RS232 female head requirements with the same pin definition.If you have any problem with this item please do not hesitate to contact with us

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$11.99

$16.99

-29%

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OIKWAN

OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable for Windows 11,10, 8, 7, Vista, XP, 2000, Linux and Mac OS(6ft)…

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•!!Please NOTE: this is MALE RS232 to DB9 SERIAL CABLE ,Not VGA!!!It is 9 pin, NOT 15 pin!! Look carefully of the Pin is match with your device. Before ordering , please confirm the interface gender is waht you need. After receiving ,please read user manual /instruction at first and download the Driver at first from FT232 Official website or Cisco website . Customer service always online.
•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.
•Exquisite design: usb-to-serial,Gold Plated USB RS232 connector and PVC cable ensure high performance and extra durability. Powered by USB port, this USB to DB9 series RS232 adapter cable is designed to fit easily into your handbag.

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$12.99

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Gearmo

Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•[ USB to RS-232 Serial Adapter ] : 5ft Cable Length - Easily connect legacy DB-9 serial devices to modern USB-equipped computers. Uses include industrial, lab, and point-of-sale applications.
•[ Easy Testing ] : Built-in signal tester features full LED indicators with dual-color display for quick and easy testing of RS-232 host-to-device connections.
•[ Wide Compatibility ] : Built with an FTDI Chipset. Works seamlessly with Windows 7, 8, 10, 11, Linux, and macOS 10.X, making it a highly versatile solution across platforms.
•[ Why Gearmo? ] : Your trusted partner based in the USA, providing advanced engineering, highly reliable and superior built products to handle the most demanding industries for over 10 years.
•[ Engineering Support ] : Need specs? Contact us for CAD files, mechanical drawings, or datasheets to support your integration or project needs.

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$23.88

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EC Buying

EC Buying USB 2.0 to Serial DB-9 RS232 Adapter, Windows 7/8/10/11/32/64/XP/RS232 to USB Converter

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•√USB to 9-pin serial cable Product features: easy installation, no external power supply, and physical drive required
•√Applicable scope: This product can easily realize the conversion between the USB interface of the computer and the universal serial port, providing a fast channel for the computer without a serial port, and using this product is equivalent to turning the traditional serial port device into a plug-and-play USB device.
•√ Supports various models of MCU, MCU STC download, LED screen control card, MODEM, and ISDN terminal adapter communication is suitable for computers or notebooks with USB ports.
•√Application platform: Support USB1.0/1.1 specification, compatible with USB2.0 specification, support full-speed transfer mode 12MBPS, support Win98, 98SE, Me, 2000, XP, Mac OS8.6, vista, win7-32, 64-bit.
•√Installation Instructions: 1. Run the driver CH340.EXE file to install 2. Connect the USB serial cable to the USB interface of the computer, and automatically install the driver 3. After the installation is successful, the COM port appears in the device manager

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$7.59

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OIKWAN

OIKWAN USB Console Cable,USB to RJ45 Console Cable for Cisco Routers/AP Router/Switch Windows, Mac, Linux(1.8m,Blue)

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•❤Console cable❤ :6FT-USB-RS232-RJ45 console cable .It's used for debugging and configuring network equipment ❤!!Please NOTE❤ this is USB to RJ45 CONSOLE CABLE ,Not ETHERNET !!!It is 8p8c!! Look carefully of the Pin is match with your device. Before ordering , please confirm it is you need. After receiving ,please read user manual /instruction at first . Customer service always online.
•❤Works for console port❤this USB to rj45 console cable Replaces COM port RS232 (DB-25/DB-9) serial port perfectly, connects to any laptop/PC's USB port directly to a console port like a charm. No more RS232 Female and male adapters。32 and 64 bit operating systems are both support.except Chrome OS
•❤Essential tools for network engineers❤The Cisoc Console Cable It's designed for that a PC or laptop‘s USB port connect to the console port with their Cisco modem, router, firewall, switch or other Serial based Cisco device. Cisco,Juniper,NETGEAR,Ubiquity,LINKSYS,TP-Link ,huawei, H3C, HP, 3com compatibly.
•❤The pinout names❤Cisco usb console cable USB2.0 (1.1 compatible); CONSOLE's DTE Pinouts: RTS(1), DTR(2), TXD (3), GND(4), GND(5), RXD (6), DSR(7), CTS(8); the RJ45 pinout names is 1-CTS, 2-DSR, 3-RXD, 4-GND, 5-GND, 6-TXD, 7-DTR, 8-RTS. Cable length 1.8m/6ft, Maximum RS232 speed 500kbaud
•❤LIFETIME CUSTOMER SUPPORT❤beside get 1pack *6ft cisco usb to console,you also back with 180-day no reason free return and refund and 24-hour online service.

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$9.59

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Tripp Lite

Tripp Lite Keyspan High-Speed USB to Serial Adapter, PC & Mac, USB-A to DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•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
•DB9 serial port supports data transfer rates up to 230 Kbps:twice the speed of a standard built-in serial port
•LED shows adapter status and data activity at a glance

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$36.97

$40.97

-10%

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BENFEI

BENFEI USB to Serial Adapter, USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above, 1.8M（Not VGA）

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•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;❗It's not the USB to VGA cable but USB to DB9 cable.
•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;❗This product requires driver installation for use.
•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

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$9.99

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StarTech

StarTech.com 17in (43cm) 1-Port USB to Serial Adapter Cable, USB-A to DB9 RS232 Adapter, Prolific Chipset - M/M

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•MAXIMIZED PORTABILITY: This USB to serial RS232 adapter converts a USB port into an RS232 DB9 serial port; Compatible with barcode readers/scanners, networks switches, receipt printers, PLCs, medical devices, oscilloscopes, scales, etc.
•BROAD COMPATIBILITY: Compatible with your USB 1.0, 2.0 or 3.0 ports, this USB-A to RS232 converter works with your Windows, MacOS or Linux system
•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
•USB TO SERIAL ADAPTER SPECS: 17in (43cm) Cable Length | Max Baud 921.6 Kbps | 512 Byte FIFO | Supports Windows, macOS, and Linux | Prolific PL2303GT Chipset | Odd, Even, Mark, Space, or None Parity Modes | 5/6/7/8 Data Bits
•THE IT PRO'S CHOICE: Designed and built for IT Professionals, this USB to serial converter cable is backed for 3-years, including free lifetime 24/5 multi-lingual technical assistance

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$18.99

$30.99

-39%

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HiLetgo

HiLetgo CP2102 USB 2.0 to TTL Module Serial Converter Adapter Module USB to TTL Downloader with Jumper Wires

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Stable and reliable chipset CP2102
•Baud rates: 300 bps to 1.5 Mbps
•Connect MCU easily to your computer!
•Standard USB type A male and TTL 5pin connector. 5pins for 3.3V, RST, TXD, RXD, GND & 5V
•Supports Windows 98SE, 2000, XP, Vista, Window7, Mac OS 9, Mac OS X & Linux 2.40

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$7.39

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