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
  • Supports Windows 7, 8, 10, and 11, Linux, OSX

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With this professional 4 port RS232 to USB FTDI chip adapter with power LED you can easily add 4 standard serial ports to your desktop, laptop or other mobile device. The Professional 4 Port RS232 USB to Serial outputs are automatically configured as additional COM ports with Windows, Linux, and Mac. This device also offers protection against static electricity, high voltage spikes and other dangerous electrical shocks which can damage your equipment or data signaling.

USA-FTDI4x-Nut Main Image

The 4 Port RS232 USB to Serial Adapter is compatible with most GPS and PDA devices such as Garmin, Magellan, and Palm. Office equipment such as modems, printers, scanners, and digital cameras are also compatible.  With protection against static electricity and surges up to 15KV, the Professional 4 Port RS232 USB to Serial converter cable gives you reliable data transfers and protects the converter and your equipment from damage due to over voltages.

Package Contents:

  • 4 Port RS232 USB to Serial Adapter
  • CD For Drivers (also available for download)
  • USA-FTDI4X Product Manual (also available for download)

The USB Plug and Play feature allows easy installation and requires no configuration for IRQ, DMA, or I/O port resources, meaning more devices can be attached to your system without the hassles of device and resource conflicts. The converter is suitable for general office, commercial and industrial use. Just like most of our other converters, this adapter is using the high quality FTDI chip which makes it fully compatible with all versions of Windows, Linux, and Mac.

OS Support:

  • Windows 7, 8, 10, & 11
  • Linux
  • Mac OS 10.X

Features & Specifications:

  • Easy Plug and Play installation
  • USB interface: standard Type A female
  • Automatic handshake support
  • Baud rates up to 921.600bps
  • No power supply needed
  • Dual 16 Byte hardware data buffer (up/down stream)
  • Cable Length 3 feet
  • Supported in Windows 11


Additional information

Weight 0.70 lbs
Dimensions 7.25 × 5.25 × 1.50 in
Cable Length








USB to RS232

Supported OS

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Chip Set


1 year from date of purchase.

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