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USB to Serial

USB to Serial Adapters supporting RS232, RS422, and RS485 signals from a USB serial interface, lower OS also supported. USBGear offers the USB to serial interface adapters in single or multiple ports and various configurations including cable length, RS232 TTL (terminal block), and style.

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  1. 4-port USB to RS232 Adapter FTDI FT4232H & ZyWyn
    $76.95

    The CG-4X232FTDI is a 4 Port RS232 to USB 2.0 serial adapter cable that is designed for PC, thin client, or server to provide instant COM port expansion via the Universal Serial Bus (USB). Learn More
  2. 4 port RS232 to USB FTDI chip adapter w/ RX and TX Status LED
    $65.95

    4 Port USB To Serial Adapter with Rx / TX Indicators easily adds 4 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 11.

    • RXD, TXD Status LED Array
    • Easy Plug and Play installation
    • USB interface: standard Type A female
    • Baud rates up to 921.600bps
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  3. USB Type-C Dual Port Serial Adapter

    2 Port USB-C to Serial adapter with RX/TX LED Indicators easily adds 2 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 11.

    • RXD, TXD Status LED Array
    • Easy Plug and Play installation
    • USB interface: standard Type-C female
    • Baud rates up to 921.600bps
    Learn More
  4. USB Type-C 4-Port Serial Adapter

    4 Port USB-C to Serial adapter with RX/TX LED Indicators easily adds 4 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 11.

    • RXD, TXD Status LED Array
    • Easy Plug and Play installation
    • USB interface: standard Type-C female
    • Baud rates up to 921.600bps
    Learn More
  5. 4 Port Professional RS-232 USB 2.0 to Serial Adapter w/Nuts

    Add a 4 Port RS232 to USB adapter to your system without having to configure it! The USA-FTDI4x-NUT USB to Serial Adapter protects your devices from ESD and high voltage spikes and other electrical surges that may cause damage.

    • Automatic handshaking
    • 3ft. cable connection
    • Compatible with serial office equipment
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  6. USB to serial 4 Port DB-9 RS-232 Adapter with FTDI Chip

    USB bay docking USBG-BAY4 serial adapter box supports Windows 7 and Vista (32 and 64-Bit) RS232 Port X 4 feature a rugged metal enclosure! Multiple modules can be added to a single USB interface allowing you to add RS232 connectivity as needed. Learn More
  7. 4-Port DB-9 RS232 to USB Adapter with Isolation and Surge Protection
    $249.99

    4-x port RS232 to USB adapter with isolation and surge protection each serial ports offer data transfer rate up to 920 Kbps for high system performance. Users are able to connect multiple serial devices through one USB port on their system. Learn More
  8. Professional Quad Port USB to Serial DB-9 RS-232 Adapter
    $98.95

    USB 2.0 quad port serial DB-9 RS-232 adapter box is designed to make serial port expansion quick and simple. It instantly adds four RS-232 serial communication ports to your system with no conflicts with FTDI Chipset Learn More
  9. USB 4-Port Serial Adapter / USB 2.0 Quad Port Serial DB-9 RS-232

    Windows 10 mountable 4-port serial cable adapter helps expand to four DB-9 connections from an available USB host port. The USB to serial adapter uses the FTDI FT232RL Chips, Mutli TT USB 2.0 GL852 Chip and ZT213LFEA Zywyn Corporation to achieve its high speed output. Learn More
  10. USB-4COMi-M USB to Quad RS-422/485 Metal case with DIN-Rail

    USB-4COMi-M USB to Quad RS-422/485 Serial Adapter for Windows 10, 8, 7 and Server 2003/2008 is housed in a metal chassis to protect the item. External dip switches to easily configure the item. Learn More

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