4 Port PCIe Serial Card RS232 with Cable I434608

the Pex4s553b 4-port Pci Express Serial Card (with Breakout Cable) Lets You Add 4 Rs232 Serial Ports Using A Single Pcie Expansion Slot. The Pcie Serial Card Includes A 1-to-4 Break Out Cable, Which Enables You To Add 4 Serial Ports To A Single Low Profile Slot.the Serial Adapter Card Features A Native Single-chip Design That Provides Optimum Reliability And Speed, Reducing The Cpu Load By Up To 48% Over Conventional Bridge-chip Serial Cards - A Cost-effective Solution For Connecting Legacy Serial Devices To Pcie-enabled Computers.the Multi-port Serial Adapter Includes Both Full Profile/height And Low Profile/half-height Brackets For Compatibility With Standard And Small Form Factor Computers, And Is Compatible With A Broad Range Of Operating Systems, Including Windows 7/server 2008 R2, 2003/vista/xp (32 And 64 Bit), Linux Kernel 2.6.11 And Up, As Well As Mac Os 10.5 And Above.