Looking for the best USB to RS232 converters? We’ve got you covered with a curated list of top adapters to seamlessly connect your older devices to modern systems.
USB to RS232 converters are essential tools for connecting older devices to modern computers. They bridge the gap between legacy hardware and new technology, making it easy to use serial devices like modems, scanners, and industrial machinery. Whether you’re a tech enthusiast or a professional, finding the right converter can save you time and hassle.
These adapters are plug-and-play, reliable, and compatible with Windows, Mac, and Linux. They come in various lengths and designs, ensuring you find the perfect fit for your needs. With features like FTDI chipsets and LED indicators, they offer fast, stable, and efficient performance.
Ready to upgrade your setup? Our guide highlights the best USB to RS232 converters available, ensuring you make an informed choice. Discover the perfect adapter to keep your older devices running smoothly with modern systems. Let’s dive in!
List of Top 10 USB to RS232 Converters
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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 hobbyists working with CNC machines, barcode scanners, or POS systems. |
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SABRENT USB 2.0 to Serial DB9 RS232 Adapter Cable (CB-DB9P) |
This SABRENT USB 2.0 to Serial DB9 RS232 Adapter Cable is perfect for anyone who needs to connect old or industrial devices to a modern computer. It’s great for modems, machinery, or legacy hardware that uses RS-232 serial communication. |
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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 ideal for industrial, lab, or point-of-sale use. |
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CableCreation USB to RS232 DB9 Serial Adapter Cable, PL2303 Chipset, 6.6 FT |
This USB to RS232 adapter is perfect for anyone who needs to connect older devices like modems, PDAs, or cash registers to modern computers. It’s easy to use and works with Windows, Mac, and Linux. |
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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 adapter is perfect for anyone who needs to connect older devices with DB9 ports to modern computers. It’s ideal for modems, printers, CNC machines, and POS systems. |
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OIKWAN USB to RS232 Adapter with FTDI Chipset, USB to RS232 Male DB9 Serial Converter for Cashier Register, Modem, Scanner, Industriual Machinery, CNC, Black |
This USB to RS232 adapter is perfect for anyone who needs to connect older devices like cash registers, modems, scanners, or industrial machinery to a modern computer. It’s ideal for tech enthusiasts, IT professionals, or business owners looking for a reliable and easy-to-use solution. |
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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 USB to Serial Adapter is perfect for anyone who needs to connect older devices to modern computers. It’s ideal for LED screen control, MCU programming, or using devices like MODEM or ISDN adapters with USB-only computers. |
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Waveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter with Original FT232RL Embedded Protection Circuits and Aluminium Alloy Enclosure for Industrial Control Equipments |
This USB to RS232/485/TTL converter is perfect for anyone needing reliable, fast communication in industrial settings. It’s ideal for industrial control equipment or applications requiring stable, safe data transfer. |
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USB TO RS232/485 Serial Converter Adapter, Onboard Original FT232RNL Chip |
This USB to RS232/485 converter is perfect for anyone needing reliable, stable serial communication. It’s ideal for engineers, technicians, or hobbyists working with industrial devices, automation, or older systems. |
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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 ideal for tech enthusiasts, IT professionals, or anyone using devices like routers, GPS, or barcode scanners. |
Detailed Reviews
Discover the top 10 USB to RS232 converters 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 USB to RS232 converter for your needs!
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 connects USB devices to serial devices. It works with Windows, Mac, and Linux. Check your device’s 9-pin DB9 port before buying.
It’s plug-and-play, with no extra power needed. The FTDI chipset ensures fast, reliable performance.
The gold-plated connectors and PVC cable make it durable. Its 6ft length and compact design make it easy to carry. Perfect for serial devices like barcode scanners or CNC controllers.
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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 hobbyists working with CNC machines, barcode scanners, or POS systems.
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 lets you connect old devices to modern computers. It works with modems, industrial tools, and legacy hardware. Just plug it into a USB port and use the DB9 interface.
Some systems need driver installation for it to work. It supports Windows, macOS, and Linux, but check your setup for full compatibility.
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Perfect For:
This SABRENT USB 2.0 to Serial DB9 RS232 Adapter Cable is perfect for anyone who needs to connect old or industrial devices to a modern computer. It’s great for modems, machinery, or legacy hardware that uses RS-232 serial communication.
Ready to Purchase?
3. 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. Its 5ft cable is perfect for industrial, lab, and point-of-sale use. LED indicators make testing fast and simple.
It works with Windows, Linux, and macOS systems. The FTDI Chipset ensures reliable performance. This adapter is versatile and easy to use.
Gearmo is a trusted USA brand with 10+ years of experience. They offer engineering support 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 ideal for industrial, lab, or point-of-sale use.
Ready to Purchase?
4. CableCreation USB to RS232 DB9 Serial Adapter Cable, PL2303 Chipset, 6.6 FT
The CableCreation USB to RS232 DB9 Serial Adapter Cable connects older devices to modern computers. It uses a reliable PL2303 chipset for fast data transfer. The 6.6-foot length offers flexibility in setup.
It works with Windows, Mac, and Linux systems. Plug-and-play support makes it easy to use. No extra power is needed, as it’s USB-powered.
This cable is widely compatible with modems, PDAs, and more. It ensures stable, high-quality data with triple shielding. CableCreation offers a 24-month warranty and lifetime support.
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Perfect For:
This USB to RS232 adapter is perfect for anyone who needs to connect older devices like modems, PDAs, or cash registers to modern computers. It’s easy to use and works with Windows, Mac, and Linux.
Ready to Purchase?
5. 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 9-pin DB9 devices to your computer’s USB port. It uses a reliable FTDI chipset for smooth performance. No external power is needed—it draws power directly from your computer.
Works with Windows, Mac, and Linux systems. Supports devices like modems, printers, and scanners. Plug-and-play design makes setup easy.
Gold-plated connectors ensure a strong, clear signal. 1Mbps data transfer rate keeps things fast and efficient. Perfect for older devices needing a serial connection.
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Perfect For:
This USB to RS232 adapter is perfect for anyone who needs to connect older devices with DB9 ports to modern computers. It’s ideal for modems, printers, CNC machines, and POS systems.
Ready to Purchase?
6. OIKWAN USB to RS232 Adapter with FTDI Chipset, USB to RS232 Male DB9 Serial Converter for Cashier Register, Modem, Scanner, Industriual Machinery, CNC, Black
The OIKWAN USB to RS232 Adapter connects your computer to serial devices. It uses a reliable FTDI chipset for smooth communication. Check the pin compatibility before buying to ensure it fits your device.
This adapter works with cash registers, modems, and industrial machines. It’s also great for scanners and CNC equipment. Download the driver from the official website first for easy setup.
The FT232RL chip ensures high performance and dependability. It’s compatible with Windows, Mac, and Linux systems. Simple and effective for all your serial needs.
| Pros | Cons |
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Perfect For:
This USB to RS232 adapter is perfect for anyone who needs to connect older devices like cash registers, modems, scanners, or industrial machinery to a modern computer. It’s ideal for tech enthusiasts, IT professionals, or business owners looking for a reliable and easy-to-use solution.
Ready to Purchase?
7. 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 handy tool that connects older devices to modern computers. It turns a USB port into a serial port, making it easy to use devices like LED screens or modems with newer systems.
This adapter is plug-and-play, needs no extra power, and works with Windows 7/8/10/11. It supports fast data transfer and installs quickly with a simple driver.
| 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 ideal for LED screen control, MCU programming, or using devices like MODEM or ISDN adapters with USB-only computers.
Ready to Purchase?
8. Waveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter with Original FT232RL Embedded Protection Circuits and Aluminium Alloy Enclosure for Industrial Control Equipments
The Waveshare USB to RS232/RS485/TTL converter is built for industrial use. It features the original FT232RL chip for reliable performance. Its aluminium alloy enclosure ensures durability in tough environments.
This converter includes embedded protection circuits like power isolation and TVS diodes. It offers stable and fast communication without delays. Ideal for industrial control equipment with high demands.
The unibody power supply isolation removes the need for extra power. High-quality connectors ensure smooth plugging and pulling. A solid choice for reliable industrial applications.
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Perfect For:
This USB to RS232/485/TTL converter is perfect for anyone needing reliable, fast communication in industrial settings. It’s ideal for industrial control equipment or applications requiring stable, safe data transfer.
Ready to Purchase?
9. USB TO RS232/485 Serial Converter Adapter, Onboard Original FT232RNL Chip
The USB TO RS232/485 Serial Converter Adapter uses the original FT232RNL chip for stable and reliable communication. It features built-in protection like a self-recovering fuse and TVS circuit to guard against surges and spikes. Its compact design and easy operation make it cost-effective and portable.
It includes LED indicators for power and transceiver status, ensuring clear monitoring. The switchable RS232/485 modes and terminal resistor offer flexible communication options for various needs.
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Perfect For:
This USB to RS232/485 converter is perfect for anyone needing reliable, stable serial communication. It’s ideal for engineers, technicians, or hobbyists working with industrial devices, automation, or older systems.
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 Serial Port Adapter Cable connects your computer to serial devices like routers, GPS, and barcode scanners. It uses a FTDI chipset for reliable performance and works with Windows, Mac, and Linux.
This 10-foot cable is long enough for flexible use. It has a LED light to show it’s working. The gold-plated connectors ensure a strong, clear signal.
With active pins and a high-quality processor chip, this adapter is built to last. Its crystal clear blue design makes it both strong and beautiful.
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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 anyone using devices like routers, GPS, or barcode scanners.
Ready to Purchase?
Buying Guide
USB to RS232 converters are handy tools for connecting older devices to modern computers. They make it easy to use serial devices like modems, scanners, and industrial machinery. Finding the right one can save you time and hassle.
When choosing a USB to RS232 converter, consider these factors:
- Compatibility: Ensure it works with your operating system (Windows, Mac, Linux) and your device’s serial port type.
- Chipset: Look for FTDI or PL2303 chipsets for reliable performance.
- Length: Choose a cable length (like 6ft or 10ft) that fits your setup needs.
- Plug-and-Play: Opt for adapters that require no extra drivers for quick setup.
- Durability: Check for gold-plated connectors and sturdy cables for long-lasting use.
- LED Indicators: These help monitor connection status and simplify troubleshooting.
- Warranty: A good warranty (like 24 months) ensures peace of mind.
With these factors in mind, you’ll find the perfect USB to RS232 converter to keep your older devices running smoothly.