Looking for the best serial port converter cables? We’ve compiled a list of the top 10 options to help you connect your older devices to modern computers with ease.
Serial port converter cables are essential tools for connecting older devices to modern computers. They bridge the gap between legacy equipment and new technology, ensuring you can still use your trusted gear.
These cables are easy to use, reliable, and compatible with various systems like Windows, Mac, and Linux. Whether you’re working with industrial tools, GPS devices, or modems, there’s a cable for every need.
Find the perfect fit for your setup. Stay connected with ease. Upgrade your workflow today.
List of Top 10 Serial Port Converter Cables
| Image | Title | Best For | Price |
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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 is perfect for tech users who need a USB to RS232 link for serial devices. It is a smart fit for engineers, IT staff, and setup work with printers, scanners, CNC, and control gear. |
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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 |
This tool is great for you. It links your computer to old gear. |
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SABRENT USB 2.0 to Serial DB9 RS232 Adapter Cable (CB-DB9P) |
This adapter is perfect for anyone who needs to connect older devices to modern computers. It’s great for industrial equipment, modems, or legacy hardware that uses RS-232 serial communication. |
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DTECH Serial Cable to USB Adapter DB9 Male RS232 Port Supports Windows 11 10 8 7 Mac (6 Feet, PL2303) |
This DTECH Serial Cable to USB Adapter is perfect for anyone who needs to connect older devices to modern computers. It’s great for routers, GPS, barcode scanners, and more. |
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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 |
This USB-C to RS232 adapter is perfect for anyone who needs to connect older serial devices to modern USB-C laptops or PCs. It’s ideal for tech enthusiasts, IT professionals, or hobbyists working with RS232 devices like industrial equipment, routers, or legacy systems. |
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OIKWAN USB to RS485/RS422 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac 6 Feet |
This USB to RS485/RS422 converter is perfect for anyone who needs to connect computers to industrial devices or automation systems. It’s ideal for long-distance data transmission and works seamlessly with Windows, Mac, and Linux. |
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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 |
This USB to RS232 adapter is perfect for anyone who needs to connect older serial devices to a modern computer. It’s ideal for tech enthusiasts, IT professionals, or anyone using devices like routers, GPS, or barcode scanners. |
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EC Buying USB 2.0 to Serial DB-9 RS232 Adapter, Windows 7/8/10/11/32/64/XP/RS232 to USB Converter |
This adapter is perfect for people who need to connect old devices to modern computers. It is great for anyone who wants a simple and fast way to use serial devices with a USB port. |
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DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet |
This USB to RS422/RS485 converter is perfect for engineers, technicians, or DIY enthusiasts who need to connect industrial devices to their computer easily and reliably. |
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CableCreation USB to RS232 DB9 Serial Adapter Cable, PL2303 Chipset, 6.6 FT |
This USB to RS232 DB9 Serial Adapter Cable is perfect for anyone who needs to connect older devices with standard DB9 serial ports to modern computers. It’s ideal for modems, PDAs, cash registers, and more, offering reliable data transfer and easy setup. |
Detailed Reviews
Discover the top 10 Serial Port Converter Cables handpicked for reliability and performance. Each cable is expert-reviewed and backed by real user feedback, ensuring you get the best value. Whether you need speed, durability, or compatibility, this guide has you covered. Find the perfect cable to connect your modern devices to legacy gear effortlessly.
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)…

Upgrade your setup with this serial cable. It connects your PC to legacy gear. Power up fast and easy.
Built-in FTDI chips run at top speed. Gold-plated ends offer long durability.
No extra power plug is needed now. Just plug and play for quick work. Carry this slim cord anywhere you go.
| Pros | Cons |
|---|---|
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Perfect For:
This is perfect for tech users who need a USB to RS232 link for serial devices. It is a smart fit for engineers, IT staff, and setup work with printers, scanners, CNC, and control gear.
Ready to Purchase?
2. 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 links old DB-9 gear to modern USB computers. It has a 5ft cable and a FTDI chipset for strong, steady use.
It has LED indicators for easy checks. It works with Windows, Linux, and macOS. It is built for reliable performance.
| Pros | Cons |
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Perfect For:
This tool is great for you. It links your computer to old gear.
Ready to Purchase?
3. SABRENT USB 2.0 to Serial DB9 RS232 Adapter Cable (CB-DB9P)

The USB to Serial cable connects old DB9 tools to your computer. It works on Windows, macOS, and Linux systems. You can change the COM port and baud rate easily.
Some systems need a manual driver to start. It links to modems and many RS-232 devices.
| Pros | Cons |
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Perfect For:
This adapter is perfect for anyone who needs to connect older devices to modern computers. It’s great for industrial equipment, modems, or legacy hardware that uses RS-232 serial communication.
Ready to Purchase?
4. DTECH Serial Cable to USB Adapter DB9 Male RS232 Port Supports Windows 11 10 8 7 Mac (6 Feet, PL2303)

The DTECH Serial Cable to USB Adapter is a 9-pin male-to-male cable that connects your PC to RS232 devices. It works with COM port programs, not video cords.
This RS232 to USB adapter has a gold-plated connector for reliable data transfer. It supports Windows, Mac, and Linux with the PL2303 chipset.
Shielded cable protects data from noise. 6-foot length is practical and tidy. Works with routers, GPS, and more.
| Pros | Cons |
|---|---|
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Perfect For:
This DTECH Serial Cable to USB Adapter is perfect for anyone who needs to connect older devices to modern computers. It’s great for routers, GPS, barcode scanners, and more.
Ready to Purchase?
5. OIKWAN USB Type C to RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 and Mac Linux

Upgrade your connection instantly with the OIKWAN USB-C to Serial Cable. It links modern USB-C laptops directly to classic 9-pin RS-232 devices for smooth data flow.
Powered by the famous FTDI chipset, this cable ensures fast and stable performance. It works with Windows, Mac, and Linux systems without any hassle.
Just install the driver once and plug it in. No external power cords are ever needed. Order yours today and stay connected!
| Pros | Cons |
|---|---|
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Perfect For:
This USB-C to RS232 adapter is perfect for anyone who needs to connect older serial devices to modern USB-C laptops or PCs. It’s ideal for tech enthusiasts, IT professionals, or hobbyists working with RS232 devices like industrial equipment, routers, or legacy systems.
Ready to Purchase?
6. OIKWAN USB to RS485/RS422 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac 6 Feet

This smart cable connects your computer to serial tools. It gives you a fast and easy link.
It works with Windows, Mac, and Linux. The FTDI chip keeps data safe and clear. Setup is quick with no extra work.
You can send data up to 1200 meters. It supports four main modes for your devices. Get strong transmission for long runs.
| Pros | Cons |
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Perfect For:
This USB to RS485/RS422 converter is perfect for anyone who needs to connect computers to industrial devices or automation systems. It’s ideal for long-distance data transmission and works seamlessly with Windows, Mac, and Linux.
Ready to Purchase?
7. 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 serial cable connects your gear. It uses a pro chip for fast data. The ten foot cord gives you extra reach.
It works well with Windows and Mac. The FTDI chip keeps the link stable.
This DB9 adapter has a strong build. It is easy to use for all tasks. Buy this high quality tool today.
| Pros | Cons |
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Perfect For:
This USB to RS232 adapter is perfect for anyone who needs to connect older serial devices to a modern computer. It’s ideal for tech enthusiasts, IT professionals, or anyone using devices like routers, GPS, or barcode scanners.
Ready to Purchase?
8. EC Buying USB 2.0 to Serial DB-9 RS232 Adapter, Windows 7/8/10/11/32/64/XP/RS232 to USB Converter

The EC Buying USB 2.0 to Serial DB-9 RS232 Adapter is a plug-and-play solution for connecting older devices to modern computers. It converts USB ports to serial ports, making it easy to use legacy equipment without hassle.
This adapter requires no external power and installs quickly. It works with Windows 7/8/10/11 and older systems like XP.
It’s compatible with various devices, including MCU, LED screens, and MODEMs. The driver installs automatically, so you’re up and running in minutes.
| Pros | Cons |
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Perfect For:
This adapter is perfect for people who need to connect old devices to modern computers. It is great for anyone who wants a simple and fast way to use serial devices with a USB port.
Ready to Purchase?
9. DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet

Connect your industrial gear directly to your computer with ease. The DTECH USB converter cable links your laptop to serial devices fast. Handy LED lights help you check and troubleshoot connections right away.
Built-in surge protection keeps your costly control tools completely safe. A powerful FTDI chip ensures quick and stable data flow every time. You get reliable performance that keeps your workspace running smoothly.
This handy plug-and-play cable works with Windows and Mac systems effortlessly. You need no extra power supply to get your work done.
| Pros | Cons |
|---|---|
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Perfect For:
This USB to RS422/RS485 converter is perfect for engineers, technicians, or DIY enthusiasts who need to connect industrial devices to their computer easily and reliably.
Ready to Purchase?
10. CableCreation USB to RS232 DB9 Serial Adapter Cable, PL2303 Chipset, 6.6 FT

Connect your old tools to your new PC. This smart cable links your USB port to a serial port. It works fast and keeps your data safe.
Setup is quick and easy. It works with Windows, Mac, and Linux. Just plug it in to get to work.
You get a long cable for easy reach. It includes a two-year warranty for peace of mind.
| Pros | Cons |
|---|---|
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Perfect For:
This USB to RS232 DB9 Serial Adapter Cable is perfect for anyone who needs to connect older devices with standard DB9 serial ports to modern computers. It’s ideal for modems, PDAs, cash registers, and more, offering reliable data transfer and easy setup.
Ready to Purchase?
Buying Guide
Finding the right serial port converter cable is simple. It keeps your old devices working with new computers. You get fast, reliable connections every time.
Users love how easy these cables are to use. Just plug in and go. They work with many systems like Windows, Mac, and Linux. Whether for work or hobby, these cables make life easier.
Factors to consider when buying:
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Compatibility: Make sure the cable works with your computer’s operating system. Check if it supports Windows, Mac, or Linux. This avoids driver issues and saves time.
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Chipset Quality: Look for cables with trusted chipsets like FTDI or PL2303. These ensure fast, stable data transfer and fewer connection problems.
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Connector Type: Know what ports your devices have. Most use DB9 connectors for serial devices. Some newer laptops need USB-C to serial adapters.
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Cable Length: Choose a length that fits your workspace. Too short limits movement; too long can cause clutter and signal loss.
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Build Quality: Gold-plated connectors resist corrosion and improve signal quality. Shielded cables protect data from interference.
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Plug and Play: Cables that don’t need extra power or manual driver installs save hassle. Look for easy setup features.
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LED Indicators: Some adapters have LED lights to show data transfer and connection status. This helps with troubleshooting.
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Supported Protocols: If you need RS232, RS485, or RS422, pick a cable that supports the right protocol for your device.
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Warranty and Support: A good warranty and customer support give peace of mind. It shows the brand stands behind its product.
Choosing the right serial port converter cable means better connections and less frustration. Keep your legacy devices alive and working smoothly with the perfect cable for your needs.