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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.
61 to 64 of 64 Results
4 Port RS232 PCI Express Serial Card w/ Breakout Cable
PEX4S553B
4 Port RS232 PCI Express Serial Card w/ Breakout Cable

Add 4 RS232 serial ports to any PC using a single PCI Express expansion slot

$121.99
450+ In stock In stock
US: 424 | CA: 26
In stock Learn More
4 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART
PEX4S952
4 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART

Add four RS232 serial ports to any PC using a single PCI Express expansion slot

$120.99
1+ In stock In stock
US: 0 | CA: 1
In stock Learn More
4-Port PCI Express RS232 Serial Adapter Card - 16950 UART - Low Profile
PEX4S953LP
4-Port PCI Express RS232 Serial Adapter Card - 16950 UART - Low Profile

PCI Express to Serial Adapter | 921.6Kbps | Windows® and Linux® Compatible

$120.99
8-Port PCI Express Serial Card with 16C1050 UART
PEX8S1050LP
8-Port PCI Express Serial Card with 16C1050 UART

Low Profile Serial Card | Full Profile Brackets Incl | 921.4Kbps | Windows® and Linux®

$213.99
51+ In stock In stock
US: 39 | CA: 12
In stock Learn More