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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.
51 to 60 of 65 Results
2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention
ICUSB2324852
2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention

Add RS232, RS422 and RS485 support to your laptop or desktop computer via USB

$98.99
85+ In stock In stock
US: 75 | CA: 10
In stock Learn More
4 Port USB to RS232 Serial DB9 Adapter Hub
ICUSB2324
4 Port USB to RS232 Serial DB9 Adapter Hub

Add four RS232 serial ports to any notebook or desktop computer using a single USB port

$97.99
335+ In stock In stock
US: 315 | CA: 20
In stock Learn More
2 Port Wall Mountable USB to Serial Adapter Hub with COM Retention
ICUSB2322X
2 Port Wall Mountable USB to Serial Adapter Hub with COM Retention

Add 2 serial RS-232 ports to any laptop or computer with a USB port

$62.99
18+ In stock In stock
US: 14 | CA: 4
In stock Learn More
2 Port Industrial Wall Mountable USB to Serial Adapter Hub with DIN Rail Clips
ICUSB2322I
2 Port Industrial Wall Mountable USB to Serial Adapter Hub with DIN Rail Clips

Add 2 DIN Rail-mountable RS232 Serial ports to any system through USB

$71.99
327+ In stock In stock
US: 240 | CA: 87
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

$66.99
406+ In stock In stock
US: 406 | CA: 0
In stock
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

$43.99
1883+ In stock In stock
US: 1801 | CA: 82
In stock Learn More
1 Port FTDI USB to Serial RS232 Adapter Cable with Optical Isolation
ICUSB2321FIS
1 Port FTDI USB to Serial RS232 Adapter Cable with Optical Isolation

Add an RS232 serial port with circuit isolation to your laptop or desktop computer, through USB

$117.99
167+ In stock In stock
US: 160 | CA: 7
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

$30.99
267+ In stock In stock
US: 267 | CA: 0
In stock
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

$446.99
110+ In stock In stock
US: 90 | CA: 20
In stock Learn More
8-Port USB-to-Serial Adapter Hub
ICUSB23208FD
8-Port USB-to-Serial Adapter Hub

Convert a single USB port into eight serial ports, and connect multiple hubs together for a scalable solution

$268.99
171+ In stock In stock
US: 152 | CA: 19
In stock Learn More