StarTech .com PEX4S553, PCIe, Serial, 0 - 50, -20 - 60, 5 - 85, 173.00

StarTech.com PEX4S553. Host interface: PCIe, Output interface: Serial. Packaging width: 173.00, Packaging height: 28.00. Data transfer rate: 0.128, Chipset: Moschip MCS9904CV-AA, Compatible operating systems: Windows XP(32/64bit)/ Vista(32/64bit)/ 7(32/64bit), Windows Server 2003(32/64 bit), 2008 R2, Linux

"Add 4 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot 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." " * Native single-chip, single lane PCI Express chipset delivers true PCIe performance, up to 48% more efficient than bridge chip designs * Standard and low profile/half-height brackets included to ensure fitment in any system"