Best Serial Adapter Cables: Seamlessly Connect Old to New

Looking for the best serial adapter cables to connect your older devices to modern computers? We’ve tested and reviewed the top 10 options to help you find the perfect match for seamless connectivity.

Serial adapter cables are essential tools for connecting older devices to modern computers. They bridge the gap between legacy equipment and new technology, making it easy to use serial devices with USB ports. Whether you’re working with industrial machines, printers, or scanners, these cables ensure seamless connectivity.

We’ve tested and reviewed the best serial adapter cables to help you find the perfect match. From plug-and-play convenience to reliable performance, these cables are designed to make your life easier. Get ready to explore the top picks that promise durability, speed, and compatibility with your devices.

List of Top 10 Serial Adapter Cables

Image Title Best For Price
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)… 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)…

This USB to RS232 adapter is perfect for anyone who needs to connect older serial devices to modern computers. It’s ideal for tech enthusiasts, IT professionals, or businesses using POS systems, barcode scanners, or CNC controllers.

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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) 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)

This SABRENT USB to Serial Converter Cable is perfect for anyone needing to connect older serial devices to their modern computer. If you have legacy equipment like printers, scanners, or industrial machinery that uses a serial port, this cable is your simple plug-and-play solution to bridge the gap.

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DB9 null modem male to female slimline data transfer serial port adapter 2 Pack DB9 null modem male to female slimline data transfer serial port adapter 2 Pack

This DB9 null modem adapter is perfect for anyone who needs to connect devices with serial ports. It’s great for data transfer and works well with older computers or industrial equipment.

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OIKWAN USB to RS232 Serial Adapter with FTDI Chipset - USB 2.0 to Female DB9 Serial Cable for Windows and Mac (6ft) OIKWAN USB to RS232 Serial Adapter with FTDI Chipset – USB 2.0 to Female DB9 Serial Cable for Windows and Mac (6ft)

This USB to RS232 Serial Adapter is perfect for anyone who needs to connect older devices with DB9 serial ports to modern computers. It’s ideal for modems, label printers, CNC controllers, and POS systems.

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Warmstor 6-Pack 9Pin RS232 Serial Cable DB9 Male to Male/Female to Female Mini Gender Changer Adapter Coupler Connector Warmstor 6-Pack 9Pin RS232 Serial Cable DB9 Male to Male/Female to Female Mini Gender Changer Adapter Coupler Connector

This 6-pack of Warmstor DB9 gender changers is perfect for anyone needing to easily connect serial devices. If you have multiple devices with different serial port ends, these plug-and-play adapters are your simple solution for a lossless signal.

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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 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

This USB to RS232 adapter is perfect for anyone who needs to connect older devices like cash registers, modems, scanners, or CNC machines to a modern computer. It’s easy to use and works with Windows, Mac, and Linux.

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OIKWAN USB Type C to RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 and Mac Linux OIKWAN USB Type C to RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 and Mac Linux

This USB Type C to RS232 DB9 Serial Port Adapter Cable is perfect for anyone who needs to connect their USB-C device to an RS232 serial device. It’s ideal for tech enthusiasts, IT professionals, or anyone working with older equipment that uses RS232 ports.

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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 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

This USB to Serial RS-232 Adapter is perfect for anyone who needs to connect old devices to modern computers. It’s great for industrial, lab, or point-of-sale use.

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DTECH 10 Feet USB 2.0 to RS232 DB9 Serial Port Adapter Cable with FTDI Chipset Supports Windows 11 10 8 7 and Mac Linux DTECH 10 Feet USB 2.0 to RS232 DB9 Serial Port Adapter Cable with FTDI Chipset Supports Windows 11 10 8 7 and Mac Linux

This USB to RS232 adapter is perfect for anyone who needs to connect old serial devices to modern computers. It’s great for tech enthusiasts, IT professionals, or anyone using devices like routers, GPS, or barcode scanners.

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DTECH DB9 to RJ45 Console Cable Cisco Device Management Serial Adapter 72-3383-01 CAB-CONSOLE-RJ45 (6 Feet, Blue) DTECH DB9 to RJ45 Console Cable Cisco Device Management Serial Adapter 72-3383-01 CAB-CONSOLE-RJ45 (6 Feet, Blue)

This DB9 to RJ45 console cable is perfect for IT professionals and network administrators who need to manage Cisco devices. It’s ideal for anyone looking to connect their laptop to routers, switches, or firewalls with ease and flexibility.

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Detailed Reviews

Discover the top 10 Serial Adapter Cables handpicked for reliability and performance. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your needs. Whether you need speed, durability, or affordability, this guide has you covered—read on to make the smart choice!

1. 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)…

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)…

Connect your devices with ease! This OIKWAN USB to RS232 adapter is your reliable link to older serial equipment. It’s a male DB9 serial cable, perfect for many industrial and computing needs. Just plug it in and get started!

It works with Windows, Mac, and Linux systems. Connect to devices like modems, scanners, and printers. Enjoy a fast 1Mbps data transfer rate thanks to the FTDI chipset.

This cable is powered by USB, so no extra power is needed. Its gold-plated connectors ensure durability and top performance.

Pros Cons
  • FTDI Chipset ensures fast, reliable performance for your devices.
  • Plug-and-play convenience with no external power needed.
  • Wide compatibility with Windows, Mac, Linux, and more systems.
  • Gold-plated connectors and PVC cable for durability and high performance.
  • Not VGA, 9-pin, not 15-pin – check device compatibility first.
  • Requires driver download – must install manually before use.
  • No external power option – relies solely on USB port.

Perfect For:

This USB to RS232 adapter is perfect for anyone who needs to connect older serial devices to modern computers. It’s ideal for tech enthusiasts, IT professionals, or businesses using POS systems, barcode scanners, or CNC controllers.

Ready to Purchase?

2. 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)

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)

Instantly connect your older serial devices to your modern computer with the SABRENT USB to Serial Converter Cable. This 2.5-foot cable bridges the gap, making your legacy equipment work seamlessly with your PC or Mac.

It’s super easy to use. Just plug it in, and you’re ready to go. You can even change settings to fit your needs. Plus, it comes with a lifetime warranty!

Pros Cons
  • Connects USB to RS-232 ports easily and quickly.
  • Works with Windows, Mac, and Linux for wide compatibility.
  • Plug & Play setup—no drivers needed, just plug in.
  • Lifetime warranty ensures long-lasting reliability.
  • No USB-C support, limiting use with modern devices.
  • Short 2.5-foot cable may restrict setup flexibility.
  • No LED indicators for connection or data transfer status.

Perfect For:

This SABRENT USB to Serial Converter Cable is perfect for anyone needing to connect older serial devices to their modern computer. If you have legacy equipment like printers, scanners, or industrial machinery that uses a serial port, this cable is your simple plug-and-play solution to bridge the gap.

Ready to Purchase?

3. DB9 null modem male to female slimline data transfer serial port adapter 2 Pack

DB9 null modem male to female slimline data transfer serial port adapter 2 Pack

This DB9 null modem adapter turns standard cables into null modem wiring. It’s perfect for data transfer between devices. The slimline design protects your computer ports from strain.

It features a pin 9 open configuration for reliable connections. The UL grade 94V-0 insulator meets flammability safety standards. Removable screws add flexibility for easy setup.

Two adapters come in each pack. Simple to use and built to last. A smart choice for your needs.

Pros Cons
  • Converts cables to null modem wiring for easy data transfer.
  • Slim design protects ports from strain and damage.
  • Fire-resistant connector meets safety standards.
  • Reversible screws offer flexible installation options.
  • Limited to specific serial port applications.
  • No included cables, just the adapter.
  • Reversible screws may loosen over time.

Perfect For:

This DB9 null modem adapter is perfect for anyone who needs to connect devices with serial ports. It’s great for data transfer and works well with older computers or industrial equipment.

Ready to Purchase?

4. OIKWAN USB to RS232 Serial Adapter with FTDI Chipset – USB 2.0 to Female DB9 Serial Cable for Windows and Mac (6ft)

OIKWAN USB to RS232 Serial Adapter with FTDI Chipset - USB 2.0 to Female DB9 Serial Cable for Windows and Mac (6ft)

The OIKWAN USB to RS232 Serial Adapter connects USB devices to DB9 serial ports. It uses a reliable FTDI chipset for smooth performance. The 6-foot cable offers flexibility for setup.

This adapter works with Windows, Mac, and Linux. It supports devices like modems, printers, and scanners. No external power is needed—it draws power from your USB port.

Enjoy plug-and-play convenience with easy setup. A two-year warranty and online customer service ensure support. Download drivers from the FTDI website for quick use.

Pros Cons
  • Connects USB to RS232 devices easily.
  • FTDI Chipset ensures reliable performance.
  • Plug-and-play convenience, no external power needed.
  • Wide compatibility with Windows, Mac, and Linux.
  • Two-year warranty for peace of mind.
  • Not VGA, 9-pin only—check your device’s compatibility before buying.
  • Requires driver download—must install from FTDI website to work.
  • Female DB9 only—ensure your device matches this gender.

Perfect For:

This USB to RS232 Serial Adapter is perfect for anyone who needs to connect older devices with DB9 serial ports to modern computers. It’s ideal for modems, label printers, CNC controllers, and POS systems.

Ready to Purchase?

5. Warmstor 6-Pack 9Pin RS232 Serial Cable DB9 Male to Male/Female to Female Mini Gender Changer Adapter Coupler Connector

Warmstor 6-Pack 9Pin RS232 Serial Cable DB9 Male to Male/Female to Female Mini Gender Changer Adapter Coupler Connector

Instantly connect your serial devices with the Warmstor 6-Pack 9Pin RS232 Serial Cable Mini Gender Changer. This cost-effective pack offers a simple solution for linking up your 9-pin serial cables or devices, regardless of their connector type.

These adapters are built for superior performance. They provide lossless signal transmission. Enjoy long-lasting use.

Crafted with nickel-plated construction, these DB9 adapters offer excellent corrosion protection and a plug-and-play experience with no drivers needed. They are perfect for a wide range of applications, from PCs to POS machines, ensuring seamless connectivity every time.

Pros Cons
  • Connects any 9-pin serial device, male or female.
  • Durable nickel-plated design ensures long-lasting use.
  • Plug-and-play simplicity, no drivers needed.
  • Versatile compatibility with PCs, printers, and more.
  • Cost-effective 6-pack includes male-male and female-female adapters.
  • No length options for different setup needs.
  • Limited to RS232 devices only, not versatile.
  • No color variety for easy cable identification.

Perfect For:

This 6-pack of Warmstor DB9 gender changers is perfect for anyone needing to easily connect serial devices. If you have multiple devices with different serial port ends, these plug-and-play adapters are your simple solution for a lossless signal.

Ready to Purchase?

6. 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

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

Unlock seamless connections with the CableCreation USB to RS232 Adapter. This 6.6ft cable effortlessly links your DB9 serial devices to your computer’s USB port. It’s designed for fast, reliable data transfer up to 1Mbps.

It uses the latest PL2303 chipset. This adapter works with Windows, Linux, and Mac OS. Drivers are easily downloadable from the CableCreation website.

Connect a wide range of devices, from cashier registers to scanners and digital cameras. It’s USB bus-powered, so no extra power cord is needed. Plus, enjoy 24-month warranty and friendly customer support.

Pros Cons
  • Connects USB to RS232 devices easily with gold-plated ports.
  • Latest PL2303 chipset ensures wide compatibility with Windows, Mac, Linux.
  • Triple shielding and tinned copper for reliable data transfer.
  • USB-powered, no external power needed, plug-and-play convenience.
  • 24-month warranty and lifetime customer support for peace of mind.
  • Not compatible with all devices, like cutting plotters or SCM.
  • Female RS232 connector may not fit male-to-male setups.
  • Drivers required for some systems, not plug-and-play always.

Perfect For:

This USB to RS232 adapter is perfect for anyone who needs to connect older devices like cash registers, modems, scanners, or CNC machines to a modern computer. It’s easy to use and works with Windows, Mac, and Linux.

Ready to Purchase?

7. OIKWAN USB Type C to RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 and Mac Linux

OIKWAN USB Type C to RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 and Mac Linux

The OIKWAN USB Type C to RS232 DB9 Serial Port Adapter Cable connects USB-C devices to RS232 serial devices. It uses a FTDI Chipset for stable performance. Works with Windows 11, 10, 8, 7, Mac, and Linux.

This adapter cable supports data transfer speeds up to 1Mbps. It’s plug-and-play after one-time driver installation. No external power adapter is needed.

You get a 24-month worry-free warranty and customer support. Check pin compatibility before ordering. Download the driver from the FT232 Official website first.

Pros Cons
  • Connects USB-C to RS232 for easy data transfer.
  • FTDI Chipset ensures stable and wide compatibility.
  • Plug and play after one-time driver install.
  • 24-month warranty for worry-free use.
  • Driver required for setup, not plug-and-play right away.
  • Male connectors only, check compatibility before buying.
  • Limited to 1Mbps speed, not ideal for high-speed data.

Perfect For:

This USB Type C to RS232 DB9 Serial Port Adapter Cable is perfect for anyone who needs to connect their USB-C device to an RS232 serial device. It’s ideal for tech enthusiasts, IT professionals, or anyone working with older equipment that uses RS232 ports.

Ready to Purchase?

8. 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

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

The Gearmo USB to Serial RS-232 Adapter connects old devices to modern computers. Its 5ft cable works for industrial, lab, and point-of-sale uses. It’s easy to use and reliable.

It has LED indicators for quick testing. The FTDI Chipset ensures smooth performance across Windows, Linux, and macOS.

Gearmo is a trusted USA brand with 10+ years of expertise. They offer engineering support for project needs. Choose Gearmo for quality and dependability.

Pros Cons
  • Connects legacy devices to modern computers with ease.
  • Built-in LED indicators for quick testing.
  • Works with Windows, Mac, and Linux seamlessly.
  • Trusted USA brand with 10+ years of expertise.
  • No USB-C option, limiting use with newer devices.
  • LEDs may distract in low-light environments.
  • 5ft cable might be too short for some setups.

Perfect For:

This USB to Serial RS-232 Adapter is perfect for anyone who needs to connect old devices to modern computers. It’s great for industrial, lab, or point-of-sale use.

Ready to Purchase?

9. DTECH 10 Feet USB 2.0 to RS232 DB9 Serial Port Adapter Cable with FTDI Chipset Supports Windows 11 10 8 7 and Mac Linux

DTECH 10 Feet USB 2.0 to RS232 DB9 Serial Port Adapter Cable with FTDI Chipset Supports Windows 11 10 8 7 and Mac Linux

Connect your computer to serial devices easily with this 10-foot USB to RS232 adapter. It features a FTDI chipset for reliable performance. This cable is perfect for a wide range of devices.

Pros Cons
  • Connects serial devices to modern computers with ease.
  • Reliable FTDI chip ensures smooth communication.
  • Long 10ft cable offers flexible setup options.
  • Wide compatibility with Windows, Mac, and Linux.
  • Not for VGA, only works with RS232 serial devices.
  • Long cable might be too bulky for tight spaces.
  • No USB-C option, limited to USB-A ports.

Perfect For:

This USB to RS232 adapter is perfect for anyone who needs to connect old serial devices to modern computers. It’s great for tech enthusiasts, IT professionals, or anyone using devices like routers, GPS, or barcode scanners.

Ready to Purchase?

10. DTECH DB9 to RJ45 Console Cable Cisco Device Management Serial Adapter 72-3383-01 CAB-CONSOLE-RJ45 (6 Feet, Blue)

DTECH DB9 to RJ45 Console Cable Cisco Device Management Serial Adapter 72-3383-01 CAB-CONSOLE-RJ45 (6 Feet, Blue)

Effortlessly connect your laptop to your Cisco devices with this handy console cable. It’s perfect for managing your routers, switches, and firewalls.

This 6-foot blue cable is your go-to for device management. It’s a direct replacement for Cisco part numbers like 72-3383-01 and CAB-CONSOLE-RJ45. Its ultra-thin flat design means no more tangled cords.

Easily reprogram and update your networking gear. This cable is your simple solution for device configuration.

Pros Cons
  • Connect Cisco devices effortlessly.
  • Replaces Cisco part 72-3383-01.
  • Flexible and space-saving flat design.
  • Ideal for device configuration.
  • Limited length may restrict device placement options.
  • No USB compatibility, requires DB9 port on your PC.
  • Not universal, works best with Cisco devices only.

Perfect For:

This DB9 to RJ45 console cable is perfect for IT professionals and network administrators who need to manage Cisco devices. It’s ideal for anyone looking to connect their laptop to routers, switches, or firewalls with ease and flexibility.

Ready to Purchase?

Buying Guide

Need to connect old devices to new computers? Serial adapter cables make it easy. Find the perfect one with our simple guide.

When buying a serial adapter cable, consider these key factors:

  • Compatibility: Ensure the cable works with your devices and operating system. Check for Windows, Mac, or Linux support.

  • Chipset: Look for reliable chipsets like FTDI or Prolific for smooth performance and compatibility.

  • Cable Length: Choose a length that suits your setup, from 2.5 feet to 10 feet, for flexibility and convenience.

  • Connectors: Check for male or female connectors and ensure they match your devices. Gold-plated or nickel-plated connectors offer durability.

  • Data Transfer Speed: Opt for cables with speeds up to 1Mbps for fast and reliable data transfer.

  • Ease of Use: Look for plug-and-play cables with easy setup and LED indicators for quick testing.

  • Warranty and Support: Choose cables with warranties and customer support for peace of mind and assistance when needed.

  • Build Quality: Select cables with durable materials and safety certifications like UL grade 94V-0 for long-lasting use.

With these factors in mind, you’ll find the perfect serial adapter cable for your needs. Enjoy seamless connectivity and make your old devices work like new!