The PEX2S1P553B 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable combines the functionality of Parallel & Serial cards, adding 2 RS232 serial ports & 1 parallel port through a single PCI Express (PCIe) slot. Suitable for almost any computer, the card offers a low profile/half-height design &
Includes:: an optional full-height bracket. The included break-out cable uses a single connector on the card to deliver 3 ports, avoiding crowded connections that can occur with fixed/static ports. Compatible with a broad range of operating systems including DOS, Windows 7/ Server 2008 R2/ Vista/XP/ Server 2003/2000/98SE (32/64 bit), Linux & Mac OS X. The card also features a native single-chip design that provides enhanced speed & reliability while reducing the CPU load by as much as 48% over conventional (bridge chip) cards. This product is a replacement for our PEX2S1P552B card. Backed by a Star Tech.com Lifetime warranty & free lifetime technical support. The Star Tech.com Advantage Break-out cable design with low & standard profile brackets offers a versatile, single slot solution for adding 3 additional ports (2 serial, 1 parallel) to almost any system, including space-sensitive embedded applications Native single-chip design reduces CPU load for enhanced performance & reliability Broad Operating System support, including 64-bit Windows systems, for easy integration into mixed environments