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Serial Cards & Adapters

If you're looking for a simple, cost-effective way to connect serial devices in your industrial application or server room, our Serial Cards and Adapters make it easy to add Serial ports (RS-232, RS-422, RS-485 etc.) to your computer through common expansion ports such as PCI and PCI Express, as well as through USB.
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USB to RS232 DB9 Serial Adapter Cable with COM Retention
ICUSB232PRO
1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention

Add an RS-232 serial port to your laptop or desktop computer through USB; features COM port retention

$37.99
2221+ In stock In stock
CA: 737 | US: 1484
In stock Learn More
1 Port USB to RS232 DB9 Serial Adapter Cable - M/M
ICUSB232V2
1 Port USB to RS232 DB9 Serial Adapter Cable - M/M

Add an RS232 serial port to your laptop or desktop computer through USB

$25.99
10476+ In stock In stock
CA: 862 | US: 9614
In stock Learn More
1-Port RS232 Serial Adapter Card with 16950 UART
PEX1S953LP
1-Port RS232 Serial Adapter Card with 16950 UART

PCI Express to Serial Adapter | 921.4Kbps | Windows® and Linux® Compatible

$77.99
848+ In stock In stock
CA: 209 | US: 639
In stock Learn More
16-Port USB-to-Serial Adapter Hub
ICUSB23216FD
16-Port USB-to-Serial Adapter Hub

Convert a USB port into 16 RS232 serial ports in an industrial rack-mountable chassis - and daisy chain multiple hubs for a scalable solution

$585.99
98+ In stock In stock
CA: 18 | US: 80
In stock Learn More
8 Port USB to DB9 RS232 Serial Adapter Hub – Industrial DIN Rail and Wall Mountable
ICUSB2328I
8 Port USB to DB9 RS232 Serial Adapter Hub – Industrial DIN Rail and Wall Mountable

Add 8 DIN Rail-mountable RS232 Serial ports to any system through USB

$251.99
285+ In stock In stock
CA: 29 | US: 256
In stock Learn More
2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART
PEX2S553
2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

Add 2 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot

$73.99
80+ In stock In stock
CA: 80 | US: 0
In stock
4 Port USB to DB9 RS232 Serial Adapter Hub – Industrial DIN Rail and Wall Mountable
ICUSB2324I
4 Port USB to DB9 RS232 Serial Adapter Hub – Industrial DIN Rail and Wall Mountable

Add 4 DIN Rail-mountable RS232 Serial ports to any system through USB

$151.99
390+ In stock In stock
CA: 38 | US: 352
In stock Learn More
USB to RS232 DB9/DB25 Serial Adapter Cable - M/M
ICUSB232DB25
USB to RS232 DB9/DB25 Serial Adapter Cable - M/M

Add an RS232 serial port to a notebook or desktop computer with this Plug-and Play USB adapter cable

$27.99
1422+ In stock In stock
CA: 181 | US: 1241
In stock Learn More
1 Port Professional USB to Serial Adapter Cable with COM Retention
ICUSB2321X
1 Port Professional USB to Serial Adapter Cable with COM Retention

Add one serial RS-232 port with com retention to any laptop or computer with a USB port

$57.99
1819+ In stock In stock
CA: 83 | US: 1736
In stock Learn More
FTDI USB to Serial Null Modem DCE Adapter Cable
ICUSB232FTN
1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI

Add a Null Modem RS232 serial port to your laptop or desktop computer through USB

$43.99
2375+ In stock In stock
CA: 106 | US: 2269
In stock Learn More
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