Manufacturer Code : 8STPEX4S553. StarTech.com 4 Port Native PCIE RS232 Serial Card.The PEX4S553 4-Port Native PCI Express RS232 Serial Adapter Card with 16550 UART 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 by as much as 48% over conventional bridge-chip serial cards.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.Backed by a StarTech.com Lifetime warranty and free lifetime technical support.
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