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The PEX4S553 4-Port Native PCI Express RS232 Serial Adapter Card with 16550 UART from StarTech.com® lets you add 4 RS232 (DB9) serial ports, using a single PCI Express expansion slot. Based on a native single-chip design, this 4-port serial adapter card allows you to harness the full capability offered by PCI Express (PCIe), while reducing the load applied to the CPU. The RS232 Serial Adapter Card includes 4 half-height/ low-profile brackets, allowing the card to be installed into almost any PC case, regardless of form factor.
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