Best Serial Port Serial Adapters

23.5k reviews scanned and analysysed
Samuel Gilmour
Last Updated: Oct 22, 2024 Share On:

If you want to find the best serial port serial adapter from hundreds of products, it must be a hard and difficult job.

After analyzing 23540 customer reviews and researching 368 products, we finally narrowed down the results to 10.

Take a glance at our list and it will help you make the best choice.

A Quick Look: Our Top Picks

Top 1
Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable
9.7We rank the products based on a number of factors such as features, price, customer reviews and so on.

Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable

Top 1 Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable

Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable

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Top 2
Sabrent CB-DB9P Usb 2.0 To Serial (9 Pin) Db 9 Rs 232 Converter Cable
9.6We rank the products based on a number of factors such as features, price, customer reviews and so on.

Sabrent CB-DB9P Usb 2.0 To Serial (9 Pin) Db 9 Rs 232 Converter Cable

Top 2 Sabrent CB-DB9P Usb 2.0 To Serial (9 Pin) Db 9 Rs 232 Converter Cable

Sabrent CB-DB9P Usb 2.0 To Serial (9 Pin) Db 9 Rs 232 Converter Cable

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Top 3
Gearmo FTDI-LED Usb To Serial Rs-232 Adapter
9.5We rank the products based on a number of factors such as features, price, customer reviews and so on.

Gearmo FTDI-LED Usb To Serial Rs-232 Adapter

Top 3 Gearmo FTDI-LED Usb To Serial Rs-232 Adapter

Gearmo FTDI-LED Usb To Serial Rs-232 Adapter

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*Note The result is based on our independent research, and we are reader-supported and do not promote any brand or retailer. As a member of Amazon Marketing Affiliates, we may receive a commission from qualified purchases.

Top 10 Serial Port Serial Adapters Reviews 2024 In Detail

1 Editor's Choice

Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable

OIKWANBrand 190322Model 0.63H*70.87L*1.38W inchesDimension 0.2 lbWeight
Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable cover
Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable thumb #1Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable thumb #2Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable thumb #3Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable thumb #4Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable thumb #5Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable thumb #6Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable thumb #7Oikwan 190322 Usb Type C To Rs232 Db9 Serial Port Adapter Cable thumb #8
9.7We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $$
FreeShipping
Visit Store » Oikwan ( 4.8 / 5 )

Features
  • How it works - Use USB-C transfer rate up to 1Mbps to RS-232 converter to realize data transfer between PC or laptop with USB Type C port and RS-232 device, allows your PC or laptop to connect RS-232 serial devices and programs that communicate through COM ports,No external power source is required
  • Connectors - USB Type C male, RS232 db9 male,USB Type C 2.0 male to USB DB9 male
  • Chipset & Supported OS - FTDI-FT232RL Chipset for widest possible stablity and compatibility with Windows (10/8.1/8/7XP), Mac, Linux, etc. Support almost all serial COM port
  • Plug and play - Powered by USB-C port, no external power adapter required. Simple installation, plug & play after one time driver installation. Supports Automatic Handshake;
  • What you get - USB type C to Serial (9-Pin) DB-9 RS-232 Converter Cable is backed with 24-months worry-free and customer service support.
2 Editor's Choice

Sabrent CB-DB9P Usb 2.0 To Serial (9 Pin) Db 9 Rs 232 Converter Cable

SABRENTBrand CB-DB9PModel 0.74H*7.36L*5.16W inchesDimension 0.2 lbWeight
Sabrent CB-DB9P Usb 2.0 To Serial (9 Pin) Db 9 Rs 232 Converter Cable cover
Sabrent CB-DB9P Usb 2.0 To Serial (9 Pin) Db 9 Rs 232 Converter Cable thumb #1Sabrent CB-DB9P Usb 2.0 To Serial (9 Pin) Db 9 Rs 232 Converter Cable thumb #2Sabrent CB-DB9P Usb 2.0 To Serial (9 Pin) Db 9 Rs 232 Converter Cable thumb #3Sabrent CB-DB9P Usb 2.0 To Serial (9 Pin) Db 9 Rs 232 Converter Cable thumb #4Sabrent CB-DB9P Usb 2.0 To Serial (9 Pin) Db 9 Rs 232 Converter Cable thumb #5Sabrent CB-DB9P Usb 2.0 To Serial (9 Pin) Db 9 Rs 232 Converter Cable thumb #6Sabrent CB-DB9P Usb 2.0 To Serial (9 Pin) Db 9 Rs 232 Converter Cable thumb #7
9.6We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
Save 33% + FreeShipping
Visit Store » Store4PC ( 4.9 / 5 )

Features
  • 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.
3 Editor's Choice

Gearmo FTDI-LED Usb To Serial Rs-232 Adapter

GEARMOBrand FTDI-LEDModel 0.6H*5.5L*3.5W inchesDimension 0.17 lbWeight
Gearmo FTDI-LED Usb To Serial Rs-232 Adapter cover
Gearmo FTDI-LED Usb To Serial Rs-232 Adapter thumb #1Gearmo FTDI-LED Usb To Serial Rs-232 Adapter thumb #2Gearmo FTDI-LED Usb To Serial Rs-232 Adapter thumb #3Gearmo FTDI-LED Usb To Serial Rs-232 Adapter thumb #4Gearmo FTDI-LED Usb To Serial Rs-232 Adapter thumb #5
9.5We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $$$
Save 47% + FreeShipping
Visit Store » Usbgear ( 4.84 / 5 )

Features
  • 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
  • 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 20 years. Reach out to us for CAD, Mechanical Drawings and, Data Sheets.
  • Os compatibility - Windows 7, 8, 10, and Windows 11 as well as Linux and MacOS 10.X
4

Arnorin KAD9D90001-S-2 Db9 Null Modem Male To Female Slimline Data Transfer Serial Port Adapter 2 Pack

ARNORINBrand KAD9D90001-S-2Model 0.07H*1.3L*0.5W inchesDimension
Arnorin KAD9D90001-S-2 Db9 Null Modem Male To Female Slimline Data Transfer Serial Port Adapter 2 Pack cover
Arnorin KAD9D90001-S-2 Db9 Null Modem Male To Female Slimline Data Transfer Serial Port Adapter 2 Pack thumb #1Arnorin KAD9D90001-S-2 Db9 Null Modem Male To Female Slimline Data Transfer Serial Port Adapter 2 Pack thumb #2Arnorin KAD9D90001-S-2 Db9 Null Modem Male To Female Slimline Data Transfer Serial Port Adapter 2 Pack thumb #3
9.4We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
Save 16% + FreeShipping

Features
  • 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
5

Arnorin KAD9D90002-S-2 Db9 Null Modem Female To Female Slimline Data Transfer Serial Port Adapter 2 Pack

ARNORINBrand KAD9D90002-S-2Model 1.3H*0.51L*0.71W inchesDimension 0.04 lbWeight
Arnorin KAD9D90002-S-2 Db9 Null Modem Female To Female Slimline Data Transfer Serial Port Adapter 2 Pack cover
Arnorin KAD9D90002-S-2 Db9 Null Modem Female To Female Slimline Data Transfer Serial Port Adapter 2 Pack thumb #1Arnorin KAD9D90002-S-2 Db9 Null Modem Female To Female Slimline Data Transfer Serial Port Adapter 2 Pack thumb #2Arnorin KAD9D90002-S-2 Db9 Null Modem Female To Female Slimline Data Transfer Serial Port Adapter 2 Pack thumb #3
9.3We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
FreeShipping

Features
  • 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
6

Dtech DT-5031 10 Feet Usb 2.0 To Rs232 Db9 Serial Port Adapter Cable

DTECHBrand DT-5031Model 6.2H*9.4L*1.9W inchesDimension 0.15 lbWeight
Dtech DT-5031 10 Feet Usb 2.0 To Rs232 Db9 Serial Port Adapter Cable cover
Dtech DT-5031 10 Feet Usb 2.0 To Rs232 Db9 Serial Port Adapter Cable thumb #1Dtech DT-5031 10 Feet Usb 2.0 To Rs232 Db9 Serial Port Adapter Cable thumb #2Dtech DT-5031 10 Feet Usb 2.0 To Rs232 Db9 Serial Port Adapter Cable thumb #3Dtech DT-5031 10 Feet Usb 2.0 To Rs232 Db9 Serial Port Adapter Cable thumb #4Dtech DT-5031 10 Feet Usb 2.0 To Rs232 Db9 Serial Port Adapter Cable thumb #5
9.3We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $$$
FreeShipping

Features
  • (NOT USB to VGA adapter) USB to serial adapter FT232 cable allows your computer to make communication with serial devices equipped with 9 pin female RS232 interface
  • USB to male serial port adapter cord is designed for connecting Serial devices such as DB9 equipped PC, router, GPS, Programming machine, barcode scanners, label writers, serial modem, digital camera, card reader, palm PCs and digital organizer, etc
  • (FT232 chip) Long FTDI serial cable to USB adapter for Windows 11,10, 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)
  • COM port serial to usb converter is designed with a high performance quality processor chip (FT232RL), which makes this USB RS232 adapter one of the most reliable adapters on the market
  • 10ft DB9 RS232 to USB adapter with 9 pin male to USB-A male gold plated connector uses crystal clear blue enrich injection, strong and beautiful; active pins - 2(RXD), 3(TDX), and 5(GND)
7

Sabrent SBT-USC1K Usb To Rs-232 Db9 Serial 9 Pin Adapter Prolific Pl2303 1-Ft [Sbt-Usc1K]

SABRENTBrand SBT-USC1KModel 1.18H*7.09L*5.12W inchesDimension 0.19 lbWeight
Sabrent SBT-USC1K Usb To Rs-232 Db9 Serial 9 Pin Adapter Prolific Pl2303 1-Ft [Sbt-Usc1K] cover
Sabrent SBT-USC1K Usb To Rs-232 Db9 Serial 9 Pin Adapter Prolific Pl2303 1-Ft [Sbt-Usc1K] thumb #1Sabrent SBT-USC1K Usb To Rs-232 Db9 Serial 9 Pin Adapter Prolific Pl2303 1-Ft [Sbt-Usc1K] thumb #2Sabrent SBT-USC1K Usb To Rs-232 Db9 Serial 9 Pin Adapter Prolific Pl2303 1-Ft [Sbt-Usc1K] thumb #3Sabrent SBT-USC1K Usb To Rs-232 Db9 Serial 9 Pin Adapter Prolific Pl2303 1-Ft [Sbt-Usc1K] thumb #4Sabrent SBT-USC1K Usb To Rs-232 Db9 Serial 9 Pin Adapter Prolific Pl2303 1-Ft [Sbt-Usc1K] thumb #5Sabrent SBT-USC1K Usb To Rs-232 Db9 Serial 9 Pin Adapter Prolific Pl2303 1-Ft [Sbt-Usc1K] thumb #6
9.3We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
Save 8% + FreeShipping

Features
  • Allows any PC to connect serial devices and programs that communicate through COM ports
  • 12-inch 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 10 And older, 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
8

Startech ICUSB232V2 Startech17In (43Cm) 1-Port Usb To Rs232 Db9 Serial Adapter Cable

STARTECH.COMBrand ICUSB232V2Model 0.8H*16.9L*1.4W inchesDimension 0.09 lbWeight
Startech ICUSB232V2 Startech17In (43Cm) 1-Port Usb To Rs232 Db9 Serial Adapter Cable cover
Startech ICUSB232V2 Startech17In (43Cm) 1-Port Usb To Rs232 Db9 Serial Adapter Cable thumb #1Startech ICUSB232V2 Startech17In (43Cm) 1-Port Usb To Rs232 Db9 Serial Adapter Cable thumb #2Startech ICUSB232V2 Startech17In (43Cm) 1-Port Usb To Rs232 Db9 Serial Adapter Cable thumb #3Startech ICUSB232V2 Startech17In (43Cm) 1-Port Usb To Rs232 Db9 Serial Adapter Cable thumb #4Startech ICUSB232V2 Startech17In (43Cm) 1-Port Usb To Rs232 Db9 Serial Adapter Cable thumb #5
9.3We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $$$
Save 35% + FreeShipping

Features
  • 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
  • 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
9

Oikwan AQ2023-5 Usb-C To Serial Adapter

OIKWANBrand AQ2023-5Model
Oikwan AQ2023-5 Usb-C To Serial Adapter cover
Oikwan AQ2023-5 Usb-C To Serial Adapter thumb #1Oikwan AQ2023-5 Usb-C To Serial Adapter thumb #2Oikwan AQ2023-5 Usb-C To Serial Adapter thumb #3Oikwan AQ2023-5 Usb-C To Serial Adapter thumb #4Oikwan AQ2023-5 Usb-C To Serial Adapter thumb #5Oikwan AQ2023-5 Usb-C To Serial Adapter thumb #6
9.3We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $$
FreeShipping
Visit Store » Oikwan ( 4.8 / 5 )

Features
  • Use USB-C transfer rate up to 1Mbps to RS-232 converter to realize data transfer between PC or laptop with USB Type C port and RS-232 device, allows your PC or laptop to connect RS-232 serial devices and programs that communicate through COM ports,No external power source is required
  • Connectors - USB Type C male, RS232 db9 Female,USB Type C 2.0 male to USB DB9 Female
  • Chipset & Supported OS - FTDI-FT232RL Chipset for widest possible stablity and compatibility with Windows (10/8.1/8/7XP), Mac, Linux, etc. Support almost all serial COM port
  • Plug and play - Powered by USB-C port, no external power adapter required. Simple installation, plug & play after one time driver installation. Supports Automatic Handshake;
  • What you get - USB type C to Serial (9-Pin) DB-9 RS-232 Female Converter Cable is backed with 24-months worry-free and customer service support.
10

Arnorin KAD9D90001-S-10 Db9 Null Modem Adapter Male To Female Slimline Data Transfer Serial Port Adapter 10 Pack

ARNORINBrand KAD9D90001-S-10Model 1.3H*0.51L*0.71W inchesDimension 0.04 lbWeight
Arnorin KAD9D90001-S-10 Db9 Null Modem Adapter Male To Female Slimline Data Transfer Serial Port Adapter 10 Pack cover
Arnorin KAD9D90001-S-10 Db9 Null Modem Adapter Male To Female Slimline Data Transfer Serial Port Adapter 10 Pack thumb #1Arnorin KAD9D90001-S-10 Db9 Null Modem Adapter Male To Female Slimline Data Transfer Serial Port Adapter 10 Pack thumb #2Arnorin KAD9D90001-S-10 Db9 Null Modem Adapter Male To Female Slimline Data Transfer Serial Port Adapter 10 Pack thumb #3
9.2We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $$$
Save 9% + FreeShipping

Features
  • 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

FAQ & Notes

Samuel Gilmour Written By Samuel Gilmour

During our research, we found more than 368 related products, with prices ranging from $6.99 to $26.99, and most customers would pay around $15 for this type of product.

What are the top brands of Serial Port Serial Adapters?

There are 6 brands available for Serial Port Serial Adapters, such as Gearmo, Oikwan, Sabrent, Arnorin, Startech.Com, Dtech.

What are the available sellers for Serial Port Serial Adapters?

There are 6 sellers available for Serial Port Serial Adapters, including Amazon.com ( 4.68 / 5 ), DTECH Co.,Ltd ( 4.9 / 5 ), Oikwan ( 4.8 / 5 ), Usbgear ( 4.84 / 5 ), ArnorinDirect ( 4.92 / 5 ), Store4PC ( 4.9 / 5 ).

Price comparison of the top 10 Serial Port Serial Adapters

*Note: Prices based on historical data.

Price comparison of the top 10 Serial Port Serial Adapters highly recommended

*Note: Prices based on historical data.

The Verdict

After thorough consideration, we have selected the product OIKWAN 190322 as your preferred option.

As an alternative, we have also compiled a list based on user reviews, and the product SABRENT CB-DB9P is also worthy of your purchase.