Add a parallel port & two RS-232 serial ports to your PC through a PCI-Express expansion slot. 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.