Looking for the best DB9 to USB cables to connect your old devices to modern computers? We’ve tested and reviewed the top 10 options to help you find the perfect fit for seamless and stress-free connectivity.
Connecting old devices to modern computers is now easier than ever. DB9 to USB cables bridge the gap between legacy hardware and new technology. These cables are handy tools for anyone needing to link older serial devices to modern USB ports.
We’ve tested and reviewed the best DB9 to USB cables to help you find the perfect fit. Whether you’re working with barcode scanners, CNC controllers, or cash registers, these cables ensure reliable performance and easy setup. Get ready to explore the top picks that make connectivity seamless and stress-free.
List of Top 10 DB9 to USB 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 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 business owners using POS systems, barcode scanners, or CNC controllers. |
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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 or legacy hardware users. |
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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. |
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UGREEN 6FT DB9 Male 9 Pin USB to Serial Adapter, RS232 to USB Cable |
This UGREEN 6FT DB9 Male 9 Pin USB to Serial Adapter is perfect for anyone who needs to connect old devices to modern computers. It’s great for programmers, technicians, or business owners using RS232 devices like printers, scanners, or cash registers. |
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SABRENT USB 2.0 to Serial 9-Pin DB-9 RS-232 Cable, FTDI (CB-FTDI) |
This SABRENT USB 2.0 to Serial 9-Pin DB-9 RS-232 Cable is perfect for anyone who needs to connect older serial devices to a modern USB port. It’s great for cellular phones, PDAs, digital cameras, modems, and ISDN terminal adapters. |
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DTECH USB to Serial Adapter 10 ft USB to RS232 DB9 Female Cable COM Port with FTDI Chipset Supports Windows 11 10 8 7 Mac Linux |
This USB to Serial Adapter is perfect for anyone who needs to connect older devices to modern computers. It’s great for tech enthusiasts, IT professionals, or anyone using serial devices with no built-in 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 |
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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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, making it a must-have for tech enthusiasts and professionals. |
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CableCreation USB to RS232 Serial Adapter Cable, PL2303 Chipset, DB9, 3.3FT |
This USB to RS232 adapter is perfect for anyone who needs to connect older devices with DB9 serial ports to a modern computer. It’s ideal for modems, label printers, POS systems, and CNC controllers. |
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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 modern computers. It’s great for tech enthusiasts, IT professionals, or anyone using devices like routers, GPS, or barcode scanners. |
Detailed Reviews
Discover the top 10 DB9 to USB cables in this guide, carefully selected based on expert reviews and customer feedback. Each product is evaluated for performance, features, and value, ensuring you find the perfect fit. Whether you need reliability, affordability, or ease of use, this list has you covered. Dive in to find the best DB9 to USB cable for your needs and upgrade your connectivity 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)…

The OIKWAN USB to RS232 Adapter is a handy tool for connecting older serial devices to modern computers. It works with Windows, Mac, and Linux systems, making it versatile for various setups. Always check the pin compatibility before use.
This adapter supports devices like barcode scanners, CNC controllers, and cash registers. It offers a 1Mbps data transfer rate and plug-and-play convenience. No external power is needed.
The FTDI chipset ensures reliable performance, while the gold-plated connectors add durability. Its 6ft length and USB power make it easy to use anywhere.
| 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 modern computers. It’s ideal for tech enthusiasts, IT professionals, or business owners using POS systems, barcode scanners, or CNC controllers.
Ready to Purchase?
2. SABRENT USB 2.0 to Serial DB9 RS232 Adapter Cable (CB-DB9P)

The SABRENT USB 2.0 to Serial DB9 RS232 Adapter Cable connects old devices to modern computers. It uses a standard DB9 interface for easy setup. This cable is simple to use and widely compatible.
It works with Windows, macOS, and Linux. Some systems need driver installation for full function. Adjustable settings ensure stable communication with your devices.
This adapter is perfect for modems, industrial tools, and legacy hardware. It bridges USB and RS-232 ports seamlessly. A reliable solution for your connectivity needs.
| 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 or legacy hardware users.
Ready to Purchase?
3. CableCreation USB to RS232 DB9 Serial Adapter Cable, PL2303 Chipset, 6.6 FT

Connect easily with the CableCreation USB to RS232 DB9 Serial Adapter Cable. It links old devices to modern USB ports, supporting up to 1Mbps data transfer.
This cable uses the latest PL2303 chipset, working with Windows, Linux, and Mac. It’s plug-and-play for most systems, making setup simple.
Widely compatible, triple-shielded, and backed by a 24-month warranty. No external power needed, reliable support included.
| 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?
4. UGREEN 6FT DB9 Male 9 Pin USB to Serial Adapter, RS232 to USB Cable

The UGREEN 6FT DB9 Male 9 Pin USB to Serial Adapter connects RS232 devices to your computer easily. It works with serial programmers, PLC controllers, cash registers, and more.
It’s compatible with many systems, like Windows, macOS, and Linux. No driver needed for newer Windows versions, but check the guide for others.
Gold-plated connectors make it durable. High-speed transmission up to 256kbps ensures stable data transfer.
| Pros | Cons |
|---|---|
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Perfect For:
This UGREEN 6FT DB9 Male 9 Pin USB to Serial Adapter is perfect for anyone who needs to connect old devices to modern computers. It’s great for programmers, technicians, or business owners using RS232 devices like printers, scanners, or cash registers.
Ready to Purchase?
5. SABRENT USB 2.0 to Serial 9-Pin DB-9 RS-232 Cable, FTDI (CB-FTDI)

The SABRENT USB 2.0 to Serial 9-Pin DB-9 RS-232 Cable is a reliable and versatile solution for connecting USB ports to traditional RS-232 serial devices. It features a 6-foot cable for extended reach and convenient connectivity.
This cable uses genuine FTDI chipset technology, ensuring reliable plug-and-play installation on multiple operating systems. It supports remote wake-up and power management, making operation hassle-free. The 96-byte data transfer buffer ensures smooth data flow in both directions.
With male thumbscrews on the side connectors, you get a secure and stable connection to your serial devices. It’s compatible with USB 1.1 and 2.0, offering broad device support. Connect cellular phones, PDAs, digital cameras, modems, and ISDN terminal adapters with ease.
| Pros | Cons |
|---|---|
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Perfect For:
This SABRENT USB 2.0 to Serial 9-Pin DB-9 RS-232 Cable is perfect for anyone who needs to connect older serial devices to a modern USB port. It’s great for cellular phones, PDAs, digital cameras, modems, and ISDN terminal adapters.
Ready to Purchase?
6. DTECH USB to Serial Adapter 10 ft USB to RS232 DB9 Female Cable COM Port with FTDI Chipset Supports Windows 11 10 8 7 Mac Linux

The DTECH USB to Serial Adapter is a 10-foot cable that connects devices easily. It turns a USB port into a 9-pin serial port. This lets you link older devices to modern computers.
It works with Windows, Mac, and Linux systems. The FTDI Chipset ensures reliable performance. No extra power supply is needed.
This cable is USB-powered and portable. It’s perfect for serial devices needing a COM port. The 10-foot length gives you flexibility.
| Pros | Cons |
|---|---|
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Perfect For:
This USB to Serial Adapter is perfect for anyone who needs to connect older devices to modern computers. It’s great for tech enthusiasts, IT professionals, or anyone using serial devices with no built-in ports.
Ready to Purchase?
7. 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 lets you connect old devices to modern computers. It has a 5-foot cable for easy setup.
It features LED indicators for quick testing of connections. Works with Windows, Mac, and Linux for wide compatibility.
Trusted USA brand, 10+ years of reliable products. Engineering support available for your project needs.
| Pros | Cons |
|---|---|
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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?
8. 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 is a handy tool that connects older devices to modern computers. It turns a USB port into a serial DB9 port, making it easy to use legacy equipment.
This adapter uses a reliable FTDI chipset and works with Windows, Mac, and Linux. It supports plug-and-play setup, so no extra power is needed. Just plug it in, and it’s ready to go.
It’s perfect for connecting modems, printers, and controllers. With a 6-foot cable, it offers flexibility and convenience. The gold-plated connectors ensure a stable and clear connection.
| Pros | Cons |
|---|---|
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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, making it a must-have for tech enthusiasts and professionals.
Ready to Purchase?
9. CableCreation USB to RS232 Serial Adapter Cable, PL2303 Chipset, DB9, 3.3FT

The CableCreation USB to RS232 Serial Adapter Cable connects DB9 devices to your computer’s USB port. It uses the latest PL2303 chipset for reliable performance. Install drivers from the official website before use.
This adapter works with modems, cameras, and printers. It supports Windows, Linux, and Mac OS. Triple shielding ensures fast, stable data transfer.
You get a 3.3FT cable with tinned copper conductor. It includes a 24-month warranty and lifetime customer service.
| Pros | Cons |
|---|---|
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Perfect For:
This USB to RS232 adapter is perfect for anyone who needs to connect older devices with DB9 serial ports to a modern computer. It’s ideal for modems, label printers, POS systems, and CNC controllers.
Ready to Purchase?
10. 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

The DTECH USB 2.0 to RS232 DB9 Adapter connects your computer to serial devices. It uses a reliable FTDI chipset for smooth communication. The 10-foot cable gives you plenty of room to work.
This adapter works with Windows, Mac, and Linux. It’s perfect for routers, GPS, and barcode scanners. The LED light shows when it’s active.
The gold-plated connectors ensure a strong signal. Its blue design looks sleek and professional. This adapter is built to last and perform well.
| 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 modern computers. It’s great for tech enthusiasts, IT professionals, or anyone using devices like routers, GPS, or barcode scanners.
Ready to Purchase?
Buying Guide
Need to connect old devices to new computers? DB9 to USB cables make it easy. Find the best one with this simple guide.
Buying the Best DB9 to USB Cable:
- Compatibility: Check if the cable works with your operating system (Windows, Mac, Linux) and devices (barcode scanners, CNC controllers, etc.).
- Chipset: Look for FTDI or PL2303 chipsets for reliable performance.
- Length: Choose a cable length (3ft, 6ft, 10ft) that suits your setup needs.
- Connectors: Gold-plated connectors ensure durability and stable connections.
- Data Transfer Speed: Consider speeds like 1Mbps or 256kbps for your device requirements.
- Plug-and-Play: Opt for cables with easy setup, no extra drivers needed.
- Warranty: A warranty (like 24 months) provides peace of mind.
- LED Indicators: Some cables have LEDs for connection status, helpful for troubleshooting.