Serial

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.

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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

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$49.99USD

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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

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$55.99USD

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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

Your price
$49.99USD

In stock: US: 276 | CA: 39

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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

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$51.99USD

In stock: US: 613 | CA: 4

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Your price
$62.99USD

In stock: US: 1273 | CA: 519

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Your price
$62.99USD

In stock: US: 2349 | CA: 23

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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

Your price
$156.99USD

In stock: US: 201 | CA: 6

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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

Your price
$114.99USD

In stock: US: 67 | CA: 0

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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

Your price
$121.99USD

In stock: US: 3793 | CA: 45

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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

Your price
$120.99USD

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