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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 62 Results
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
1270+ In stock In stock
CA: 0 | US: 1270
In stock Learn More
2-Port PCI Express Serial Card with 16C1050 UART - RS232
PEX2S1050
2-Port PCI Express Serial Card with 16C1050 UART - RS232

Add two high performance RS232 serial ports (DB9) to your low or full-profile computer, through a PCI Express slot

$77.99
2S1P PCI Express Serial Parallel Combo Card with Breakout Cable
PEX2S1P553B
2S1P PCI Express Serial Parallel Combo Card with Breakout Cable

Add a parallel port and two RS-232 serial ports to your PC through a PCI-Express expansion slot

$65.99
52+ In stock In stock
CA: 52 | US: 0
In stock
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
87+ In stock In stock
CA: 87 | US: 0
In stock
2S1P Native PCI Express Parallel Serial Combo Card with 16550 UART
PEX2S5531P
2S1P Native PCI Express Parallel Serial Combo Card with 16550 UART

Add 1 parallel port and 2 RS-232 serial ports to your standard or low-profile computer through a PCI Express expansion slot

$65.99
2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART
PEX2S553LP
2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART

Add 2 high-speed RS-232 serial ports to your low profile/small form factor computer with a PCI Express expansion slot

$68.99
7+ In stock In stock
CA: 7 | US: 0
In stock
2-Port RS232 Serial Adapter Card with 16950 UART
PEX2S953LP
2-Port RS232 Serial Adapter Card with 16950 UART

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

$82.99
1265+ In stock In stock
CA: 99 | US: 1166
In stock Learn More
4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485
PEX4S232485
4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485

Add two RS232, and two RS422/485 serial ports to your PC through a PCI-Express expansion slot

$205.99
154+ In stock In stock
CA: 10 | US: 144
In stock Learn More
4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART
PEX4S553
4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

Add 4 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot

$150.99
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

$159.99
1103+ In stock In stock
CA: 41 | US: 1062
In stock Learn More