Looking for the best Mac-compatible serial adapters? We’ve compiled a list of 10 top-performing options to make your Mac experience smoother and more efficient.
Mac users often need to connect older devices with serial ports. Finding the right adapter can be tricky. We’ve tested and picked the best Mac-compatible serial adapters for you.
These adapters work seamlessly with Mac OS and other systems. They ensure reliable performance for industrial, personal, and professional use. From plug-and-play options to LED indicators, there’s something for everyone.
Discover adapters with FTDI chipsets, gold-plated connectors, and long cables. Each one is designed to make your Mac experience smoother. Let’s dive in and find the perfect fit for your needs!
List of Top 10 Mac Compatible Serial Adapters
| 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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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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ELECABLE USB to RS232 DB9 Serial (9-Pin) Adapter Cable 5ft Compatible with MAC OS, Windows, Android, Linux (USB A) |
This USB to RS232 DB9 Serial Adapter Cable is perfect for anyone who needs to connect older devices with DB9 serial ports to modern computers. It’s ideal for GPS, printers, scanners, CNC controllers, and more. |
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Manhattan USB to RS232 Serial Adapter Converter – Long 18 Inch Cable Cord, 24 AWG – Connects Serial Device to a USB Port, FTDI Chipset, Compatible with Window, Linux, Mac – 3 Year Mfg Warranty–205153 |
This USB to RS232 Serial Adapter is perfect for anyone who needs to connect older or specialized devices to a modern computer. It’s ideal for modems, cameras, scanners, GPS units, CNC machines, and networking hardware. |
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DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 11, 10, 7 and Mac OS |
This USB to TTL adapter is perfect for anyone who needs to connect their computer to a board or MCU. It’s great for debugging or downloading, with fast speeds and easy compatibility with Windows and Mac. |
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OIKWAN USB-C to Serial Adapter, 6FT RS232 DB9 Female Converter Cable, FTDI Chip, Compatible with Windows, Mac, Linux, Type C Device, Industrial Applications, Data Communication |
This USB-C to Serial Adapter is perfect for anyone who needs to connect modern devices with older RS-232 equipment. It’s ideal for industrial use, data communication, or working with COM ports on Windows, Mac, or Linux. |
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SerialPulseX USB-C to Serial RS232 DB9 Adapter with 9 x LED Indicators |
The SerialPulseX USB-C to Serial RS232 DB9 Adapter is perfect for anyone who needs to connect old devices to modern computers. It’s great for legacy equipment, modems, POS systems, and industrial tools. |
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ELECABLE USB Type C to RS232 DB9 Serial(9-Pin) Converter Adapter Cable 5ft with a Male to Female Connector, Compatible with MAC OS, Windows, Android, Linux Type C Device (USB C) |
This USB-C to RS232 adapter is perfect for anyone who needs to connect modern devices with older equipment. It’s ideal for tech enthusiasts, professionals, or hobbyists working with GPS, printers, scanners, or industrial controllers. |
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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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IOGEAR USB to PDA/Serial (DB9) Adapter w/ PC & Mac Drivers – GUC232A |
This adapter is perfect for anyone who needs to connect older serial devices like GPS units to a modern USB port. It’s great for tech enthusiasts or professionals looking for a reliable and easy solution. |
Detailed Reviews
Discover the top 10 Mac-compatible serial adapters in our expert-curated guide. Each product is thoroughly reviewed for performance, features, and value, ensuring you find the perfect fit for your needs. Whether you prioritize reliability, ease of use, or affordability, this guide has you covered.
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 uses a FTDI chipset for reliable performance. Works with Windows, Mac, and Linux.
It supports 1Mbps data transfer and is plug-and-play. No external power is needed. Perfect for serial modems, cameras, and more.
The gold-plated connectors ensure durability. The 6ft PVC cable is easy to carry. Ideal for professional and personal use.
| 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. 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. The FTDI Chipset ensures reliable performance.
It has LED indicators for easy testing. The dual-color display shows connection status quickly. This feature saves time and effort in troubleshooting.
Gearmo is a trusted USA brand with 10+ years of expertise. They offer engineering support for project needs. Get CAD files or datasheets with one request.
| 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?
3. ELECABLE USB to RS232 DB9 Serial (9-Pin) Adapter Cable 5ft Compatible with MAC OS, Windows, Android, Linux (USB A)

The ELECABLE USB to RS232 DB9 Serial Adapter Cable connects USB devices to traditional RS-232 ports. It works with MAC OS, Windows, Android, and Linux.
It’s compatible with many devices, like GPS, printers, scanners, and PLC controllers. The Prolific PL2303 chipset ensures smooth performance across systems.
Includes a male-to-female adapter for easy connections. Driver installation is needed for first-time use. Not a VGA cable.
| 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 DB9 serial ports to modern computers. It’s ideal for GPS, printers, scanners, CNC controllers, and more.
Ready to Purchase?
4. Manhattan USB to RS232 Serial Adapter Converter – Long 18 Inch Cable Cord, 24 AWG – Connects Serial Device to a USB Port, FTDI Chipset, Compatible with Window, Linux, Mac – 3 Year Mfg Warranty–205153

The Manhattan USB to RS232 Serial Adapter bridges the gap between modern USB ports and legacy serial devices. Its 18-inch cable ensures flexible placement, while the FTDI chipset guarantees reliable performance. It’s plug-and-play, making setup effortless.
Works seamlessly with Windows, Linux, and Mac, supporting older and specialized equipment. Connect modems, cameras, scanners, and more with its 9-pin DB9 connector. The 24 AWG conductors deliver stable data transfer up to 115 kbps.
Powered directly by the USB connection, no extra adapter is needed. Backed by a 3-year warranty, it’s a durable solution for serial connectivity.
| Pros | Cons |
|---|---|
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Perfect For:
This USB to RS232 Serial Adapter is perfect for anyone who needs to connect older or specialized devices to a modern computer. It’s ideal for modems, cameras, scanners, GPS units, CNC machines, and networking hardware.
Ready to Purchase?
5. DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 11, 10, 7 and Mac OS

The DSD TECH SH-U09C USB to TTL Serial Adapter lets you connect your computer to boards or MCUs. It uses a reliable FT232RL chip for stable communication.
It works with Windows 11, 10, 7, and Mac OS. Supports 3.3V and 5V outputs. Comes with a 12-month warranty.
| Pros | Cons |
|---|---|
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Perfect For:
This USB to TTL adapter is perfect for anyone who needs to connect their computer to a board or MCU. It’s great for debugging or downloading, with fast speeds and easy compatibility with Windows and Mac.
Ready to Purchase?
6. OIKWAN USB-C to Serial Adapter, 6FT RS232 DB9 Female Converter Cable, FTDI Chip, Compatible with Windows, Mac, Linux, Type C Device, Industrial Applications, Data Communication

The OIKWAN USB-C to Serial Adapter connects Type-C devices to RS232 DB9 ports. It uses a FTDI Chip for stable performance across Windows, Mac, and Linux. Perfect for industrial applications and data communication.
No external power is needed, and it’s plug-and-play after a one-time driver install. Supports automatic handshake for smooth data transfer.
| Pros | Cons |
|---|---|
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Perfect For:
This USB-C to Serial Adapter is perfect for anyone who needs to connect modern devices with older RS-232 equipment. It’s ideal for industrial use, data communication, or working with COM ports on Windows, Mac, or Linux.
Ready to Purchase?
7. SerialPulseX USB-C to Serial RS232 DB9 Adapter with 9 x LED Indicators

The SerialPulseX USB-C to Serial RS232 DB9 Adapter connects legacy devices to modern computers. It ensures reliable serial communication for modems, POS systems, and industrial equipment.
It features 9 LED indicators for real-time monitoring of signal activity. This simplifies troubleshooting and ensures efficient device operation.
Wide compatibility with Windows, macOS, and Linux. Drivers are easy to find, and 24/5 support is included.
| Pros | Cons |
|---|---|
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Perfect For:
The SerialPulseX USB-C to Serial RS232 DB9 Adapter is perfect for anyone who needs to connect old devices to modern computers. It’s great for legacy equipment, modems, POS systems, and industrial tools.
Ready to Purchase?
8. ELECABLE USB Type C to RS232 DB9 Serial(9-Pin) Converter Adapter Cable 5ft with a Male to Female Connector, Compatible with MAC OS, Windows, Android, Linux Type C Device (USB C)

The ELECABLE USB Type C to RS232 DB9 Serial Converter connects modern USB-C devices to older RS-232 serial ports. It’s 5 feet long and includes a male-to-female connector.
This adapter works with MAC OS, Windows, Android, and Linux. It uses the Prolific PL2303 chipset for reliable performance. Install the driver from the included CD or download it online.
It’s compatible with many devices, like printers, scanners, and PLC controllers. The gender changer makes it easy to connect to female ports. Note: This is not a VGA cable.
| Pros | Cons |
|---|---|
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Perfect For:
This USB-C to RS232 adapter is perfect for anyone who needs to connect modern devices with older equipment. It’s ideal for tech enthusiasts, professionals, or hobbyists working with GPS, printers, scanners, or industrial controllers.
Ready to Purchase?
9. 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’s perfect for serial programmers, PLC controllers, and more.
Works with Windows, macOS, and Linux. No driver needed for newer Windows versions. Gold-plated connectors ensure durability.
Enjoy fast data transfer up to 256kbps. Flexible PVC jacket prevents tangling. Stable signal with PL2303 chip protects your data.
| 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?
10. IOGEAR USB to PDA/Serial (DB9) Adapter w/ PC & Mac Drivers – GUC232A

The IOGEAR USB to PDA/Serial Adapter is a handy tool for connecting older devices to modern computers. It works with both PC and Mac, making it versatile for various setups. This adapter ensures smooth data transfer between USB and serial devices.
With USB 1.1 and 2.0 compatibility, it supports a wide range of devices. It’s perfect for GPS units, converting serial interfaces to USB effortlessly. The LED status light helps you monitor data transfer at a glance.
This adapter includes a 96-byte buffer for efficient data flow. It also supports remote wakeup and power management, saving energy. Backed by a 3-year limited warranty, it’s a reliable choice for your needs.
| Pros | Cons |
|---|---|
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Perfect For:
This adapter is perfect for anyone who needs to connect older serial devices like GPS units to a modern USB port. It’s great for tech enthusiasts or professionals looking for a reliable and easy solution.
Ready to Purchase?
Buying Guide
Need to connect old devices to your Mac? We’ve tested the best Mac-compatible serial adapters to make it easy for you.
Buying a Mac-compatible serial adapter can feel tricky. But with the right info, you’ll find the perfect fit. Here’s what to look for:
- Compatibility: Make sure the adapter works with Mac OS and your device. Check for Windows or Linux support too, if needed.
- Chipset: Look for FTDI or Prolific PL2303 chipsets. They ensure reliable performance and smooth data transfer.
- Cable Length: Choose a length that fits your setup. 6ft or 5ft cables offer flexibility, while 18-inch options save space.
- Connectors: Gold-plated connectors add durability. Male-to-female adapters make connections easier.
- Plug-and-Play: Avoid hassle with adapters that work right out of the box. No extra drivers needed for most.
- LED Indicators: These lights show connection status and make troubleshooting simpler.
- Warranty: A 3-year warranty or longer gives peace of mind and shows the product’s quality.
With these tips, you’ll find the perfect serial adapter for your Mac in no time!