· serial cables  · 12 min read

Top 10 Best USB to COM Port Adapters: Ultimate Guide

Find the best USB to COM port adapters for your needs. Our comprehensive guide reviews the top 10 options, providing in-depth analysis and comparisons.

In the digital age, connecting devices with different interfaces can be a challenge. This is where USB to COM port adapters come in, providing a seamless bridge between modern USB ports and legacy COM (serial) ports. Our team has meticulously reviewed and compared the best USB to COM port adapters available in the market to help you make an informed decision.

SABRENT USB 2.0 to RS 232 Serial DB9 Adapter SABRENT USB 2.0 to RS 232 Serial DB9 Adapter

PROS

  • Seamless connectivity between USB devices and RS-232 serial ports
  • Prolific chipset ensures reliable data transfer and compatibility

CONS

  • May require additional drivers for certain operating systems
  • Cable length may be limiting for some applications

The SABRENT USB 2.0 to RS-232 Serial Adapter is an indispensable tool for bridging the gap between modern USB devices and legacy RS-232 serial ports. Its compact design and user-friendly interface make it a convenient solution for connecting devices such as barcode scanners, printers, and industrial equipment.

Powered by the reliable Prolific chipset, this adapter delivers fast and stable data transfer, ensuring seamless communication between connected devices. Moreover, its compatibility with a wide range of operating systems, including Windows and Mac OS, makes it a versatile solution for various applications. However, it's important to note that some systems may require additional driver installations for optimal performance. While the 2.5 feet cable length provides ample reach in most scenarios, users with specific distance requirements may need to consider alternative options.

BENFEI USB to RS-232 Prolific Chipset USB to Serial Adapter for Windows Mac BENFEI USB to RS-232 Prolific Chipset USB to Serial Adapter for Windows Mac

PROS

  • Prolific chipset provides stable and reliable performance.
  • Plug-and-play compatibility with Windows, Mac, and Linux systems.

CONS

  • Not suitable for high-speed data transfer due to the limited bandwidth of USB-to-serial connections.

The BENFEI USB to RS-232 Prolific Chipset USB to Serial Adapter is an indispensable tool for connecting serial devices to computers. Its plug-and-play installation eliminates compatibility issues, saving you time and frustration. The reliable Prolific chipset ensures stable and consistent performance, maximizing the efficiency of your serial communication.

Designed for versatility, this adapter is compatible with Windows, Mac, and Linux operating systems. Its compact size and durable construction make it ideal for portable use. Whether you need to connect legacy peripherals, industrial equipment, or debugging devices, this adapter provides a seamless and dependable solution. Enjoy the convenience of connecting your serial devices without any hassles.

StarTech.com 1 ft. USB to RS232 Serial DB9 Adapter Cable with COM Port Retention StarTech.com 1 ft. USB to RS232 Serial DB9 Adapter Cable with COM Port Retention

PROS

  • Enables communication between USB-equipped computers and legacy RS232 devices.
  • Features COM port retention to preserve existing settings and port assignments.
  • Supports data transfer rates of up to 920 kbps, ensuring reliable performance.
  • Compact and portable design makes it convenient for on-the-go use.

CONS

  • May require additional drivers for some operating systems.
  • Cable length is relatively short, limiting flexibility in some setups.

StarTech.com's 1 ft. USB to RS232 Serial DB9 Adapter Cable provides a seamless connection between your modern USB-equipped computer and legacy RS232 devices. This adapter cable features COM port retention, ensuring that your existing settings and port assignments are preserved when switching between devices. It supports data transfer rates of up to 920 kbps, offering reliable performance for data communication and device control.

The compact and portable design of this adapter makes it an ideal solution for mobile professionals and users who need a convenient way to connect legacy devices to their laptops or workstations. It's easy to carry around and can be quickly deployed when needed, providing a hassle-free way to integrate legacy equipment into modern computing environments.

Startech.com 6ft (1.8m) USB to Com Port Adapter Startech.com 6ft (1.8m) USB to Com Port Adapter

PROS

  • USB to COM port connectivity up to 1.8 meters (6 feet)
  • Plug-and-Play capability for effortless usage

CONS

  • May require compatibility set up with specific printers
  • Reverse COM port to USB connection is not supported

Startech.com's USB to COM Port Adapter provides a seamless connection from your modern USB port to a variety of legacy devices that still operate through the reliable COM port. This 6ft (1.8m) cable allows you to extend your connectivity options and breathe new life into your older equipment.

The device's Plug-and-Play functionality ensures hassle-free installation and eliminates the need for complicated driver installations. Compatibility may vary across printers, thus requiring specific configuration settings in certain instances. However, this USB to COM Port Adapter stands as an exceptional solution for continuing the usage of your essential legacy devices. Despite the limitation of non-compatibility for COM port to USB connections, the Startech.com 6ft (1.8m) USB to COM Port Adapter stands as a dependable choice for device connectivity.

USB to COM Port Adapter: Connect Serial Devices Seamlessly USB to COM Port Adapter: Connect Serial Devices Seamlessly

PROS

  • Effortless connectivity with legacy serial devices
  • Robust DB25 to DB9 adapter for wide compatibility

CONS

  • May require additional drivers for some systems
  • Limited cable length may restrict placement options

Introducing the USB to COM Port Adapter, a vital tool for connecting modern computers to legacy serial devices. This adapter seamlessly bridges the gap between USB and RS232 communication protocols, allowing you to revive and utilize older equipment. Its sturdy construction features a DB25 to DB9 adapter, ensuring compatibility with a wide range of serial peripherals.

Using the adapter is incredibly straightforward; simply plug the USB end into your computer and the DB9 connector into your serial device. It's a plug-and-play solution that doesn't require complex installations or technical expertise. The adapter's compact size and lightweight design make it highly portable, allowing you to connect your devices wherever you go.

Upgraded USB to COM Port Adapter: DTech Serial Cable DB9 Male RS232 Upgraded USB to COM Port Adapter: DTech Serial Cable DB9 Male RS232

PROS

  • Supports a wide range of operating systems including Windows 11, 10, 8, 7, and Mac
  • Provides a stable connection between your computer and RS232 serial devices
  • Plug-and-play installation for hassle-free setup
  • Compact and lightweight design for portability and ease of use
  • Durable construction ensures long-lasting performance

CONS

  • May not be compatible with all devices
  • Requires driver installation for some operating systems

The DTech USB to COM Port Adapter offers a convenient and reliable solution for connecting serial devices to your computer. It supports a wide range of operating systems, making it compatible with most modern computers. The plug-and-play installation process makes setup a breeze, eliminating the need for complex configurations.

The compact and lightweight design of the adapter makes it easy to carry around and store. The durable construction ensures that it can withstand the rigors of everyday use. Additionally, the 6-foot cable length provides ample reach, allowing you to connect your devices from a comfortable distance.

DTECH USB to RS232 DB9 Female Serial Adapter Cable DTECH USB to RS232 DB9 Female Serial Adapter Cable

PROS

  • Provides a stable and reliable connection between USB and serial devices.
  • Compatible with Windows 11, 10, 8, 7, Mac, and Linux operating systems with ease.

CONS

  • May require additional drivers for certain operating systems.
  • Cable length of 6 feet may not be sufficient for all applications.

DTECH's USB to RS232 DB9 Female Serial Adapter Cable is the perfect solution for connecting your serial devices to your computer. With a 6-foot cable length, you'll have plenty of room to move around and work without feeling restricted. The cable is backed by a lifetime warranty for peace of mind.

The adapter is compatible with Windows 11, 10, 8, 7, Mac, and Linux operating systems. It's easy to use and works with virtually any serial device. The PL2303 chip provides fast and reliable data transfer rates, so you can rest assured that your data will be transmitted quickly and securely.

Here are a few of the benefits of using DTECH's USB to RS232 DB9 Female Serial Adapter Cable:

- Connect your serial devices to your computer with ease.

- Backed by a lifetime warranty for peace of mind.

- Compatible with Windows 11, 10, 8, 7, Mac, and Linux operating systems.

- Easy to use and works with virtually any serial device.

- Provides fast and reliable data transfer rates

Gearmo 36in USB to Serial Cable: Connect Your Devices Effortlessly Gearmo 36in USB to Serial Cable: Connect Your Devices Effortlessly

PROS

  • Ample 36-inch cable length for flexible placement options
  • FTDI chipset ensures compatibility with various devices and operating systems
  • Integrated Tx/Rx LED indicators provide visual feedback on data transmission status

CONS

  • No additional software or drivers required for seamless setup and operation
  • Durable construction withstands regular use and demanding environments

The Gearmo 36in USB to Serial Cable is an indispensable tool for establishing secure and efficient connections between your devices. With its extended cable length, you can conveniently position your equipment without limitations. The cable's built-in Tx/Rx LEDs offer real-time insights into data transfer activity, enhancing user experience and troubleshooting efforts.

Utilizing FTDI's renowned chipset, this cable ensures compatibility with a wide range of devices running diverse operating systems, including Mac, PC, Linux, and Windows 11. This versatility makes it an ideal choice for professionals and hobbyists alike who require reliable data transmission. Moreover, the cable's sturdy construction ensures longevity and unwavering performance even in demanding environments.

YWBL-WH USB to COM Port Adapter for Serial PDA 9-Pin DB9 RS232 Communication YWBL-WH USB to COM Port Adapter for Serial PDA 9-Pin DB9 RS232 Communication

PROS

  • Enables seamless communication between USB-enabled devices and COM port peripherals
  • Supports RS232 data transmission, ensuring compatibility with a wide range of equipment

CONS

  • Specific driver may be required for some operating systems
  • Compatibility with certain legacy devices may require additional configuration

Enhance your connectivity options with the YWBL-WH USB to COM Port Adapter, a practical solution for integrating legacy or industrial RS232 devices into your modern computer systems. This adapter bridges the gap between your USB-equipped laptop or desktop and peripherals that rely on the traditional 9-pin DB9 connection.

The adapter's compact design and durable construction ensure portability and longevity. Its Plug-and-Play functionality allows for swift installation, while the included drivers further simplify setup. With fast and reliable data transfer rates, you can seamlessly connect devices such as serial printers, scanners, scales, or other equipment that utilize RS232 protocols.

StarTech USB to COM Port Adapter StarTech USB to COM Port Adapter

PROS

  • Compact design, easy to carry
  • Compatible with Windows, Mac, and Linux

CONS

  • Pricey compared to other options
  • Shorter cable length

The StarTech USB to COM Port Adapter offers a convenient solution for connecting legacy RS232 devices to a computer through a USB port. Its compact size makes it easy to carry, and it comes with drivers for Windows, Mac, and Linux, ensuring compatibility with various operating systems. The Prolific chipset enhances performance and reliability.

One downside is its relatively higher price compared to similar adapters. Additionally, the 3-foot cable length may be limiting for some users who require more flexibility. Nonetheless, if you seek a reliable adapter for connecting RS232 devices, the StarTech USB to COM Port Adapter is a solid choice. Its ease of use and compatibility make it a worthwhile investment for various applications.

From high-speed data transfer to reliable connectivity, our top picks offer a range of features to meet your specific requirements. Whether you're looking for adapters compatible with the latest operating systems or those designed for industrial applications, we've got you covered. Our comprehensive guide provides detailed insights into each adapter's performance, quality, usability, and compatibility to ensure you find the perfect solution for your needs. Invest in a USB to COM port adapter today and unlock the full potential of your devices!

Frequently Asked Questions

What are the key factors to consider when choosing a USB to COM port adapter?

When selecting a USB to COM port adapter, factors to consider include data transfer speed, compatibility with your devices and operating system, additional features like surge protection, ease of installation, and customer support.

Which USB to COM port adapter is the best for high-speed data transfer?

For high-speed data transfer, the SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable is a top choice, offering speeds up to 920 Kbps.

What are the benefits of using a USB to COM port adapter?

Benefits of using a USB to COM port adapter include the ability to connect legacy devices to modern computers, extend the range of COM ports, and simplify device connections.

How do I install a USB to COM port adapter?

Installing a USB to COM port adapter is typically straightforward. Simply connect the adapter to a USB port on your computer and the COM port on your device. Drivers may need to be installed, which are usually provided with the adapter.

Are USB to COM port adapters compatible with all operating systems?

Most USB to COM port adapters are compatible with major operating systems such as Windows, macOS, and Linux. However, it's always recommended to check the compatibility with your specific operating system before purchasing an adapter.

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