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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.
1 to 10 of 78 Results
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

$24.99
8821+ In stock In stock
CA: 806 | US: 8015
In stock Learn More
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

$36.99
1532+ In stock In stock
CA: 326 | US: 1206
In stock Learn More
2 Port Low Profile Native RS232 PCI Express Serial Card with 16950 UART
PEX2S952LP
2 Port Low Profile Native RS232 PCI Express Serial Card with 16950 UART

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

$68.99
861+ In stock In stock
CA: 120 | US: 741
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
3472+ In stock In stock
CA: 257 | US: 3215
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
204+ In stock In stock
CA: 16 | US: 188
In stock Learn More
Low Profile PCI Express Serial Card w/ 16950 UART, Native PCIe Chipset
PEX1S952LP
1 Port Low Profile Native PCI Express Serial Card w/ 16950

Add 1 high-speed serial RS-232 port to any PC with a PCI Express slot

$69.99
395+ In stock In stock
CA: 54 | US: 341
In stock Learn More
1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention
ICUSB2321F
1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention

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

$39.99
781+ In stock In stock
CA: 68 | US: 713
In stock Learn More
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
645+ In stock In stock
CA: 15 | US: 630
In stock Learn More
3ft USB to RS232 DB9 Serial Adapter Cable - M/M
ICUSB232SM3
3ft USB to RS232 DB9 Serial Adapter Cable - M/M

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

$37.99
403+ In stock In stock
CA: 54 | US: 349
In stock Learn More
2 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention
ICUSB2322F
2 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention

Add two RS232 serial ports with COM retention to your laptop or desktop computer through USB

$86.99
414+ In stock In stock
CA: 20 | US: 394
In stock Learn More
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