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Devices that use RS-232 are still popular in specialized applications such as manfacturing, science, and industrial control systems. From serial cards to cables, extenders, and adapters, we have everything you need to use serial devices with today's modern computer systems.
1 to 10 of 117 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

$18.99
8237+ In stock In stock
US: 7354 | CA: 883
In stock Learn More
1-Port Serial-to-IP Ethernet Device Server - RS232 - DIN Rail and Surface Mountable - Aluminum
NETRS2321P
1-Port Serial-to-IP Ethernet Device Server - RS232 - DIN Rail and Surface Mountable - Aluminum

Connect to, configure and remotely manage an RS-232 serial device over an IP network

$154.99
709+ In stock In stock
US: 679 | CA: 30
In stock Learn More
2S1P PCI Serial Parallel Combo Card with 16550 UART
PCI2S1P
2S1P PCI Serial Parallel Combo Card with 16550 UART

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

$42.99
4534+ In stock In stock
US: 4515 | CA: 19
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

$52.99
1011+ In stock In stock
US: 966 | CA: 45
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

$52.99
1086+ In stock In stock
US: 1026 | CA: 60
In stock Learn More
2 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART
PEX2S952
2 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART

Add 2 RS-232 serial ports to your full height or low profile computer through a PCI Express slot

$52.99
2308+ In stock In stock
US: 2303 | CA: 5
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

$51.99
1065+ In stock In stock
US: 1065 | CA: 0
In stock
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
1395+ In stock In stock
US: 1364 | CA: 31
In stock Learn More
8 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART
PEX8S952
8 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART

Add 8 RS232 serial ports to your computer via a single PCI Express slot

$216.99
266+ In stock In stock
US: 236 | CA: 30
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

$29.99
1893+ In stock In stock
US: 1666 | CA: 227
In stock Learn More
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