StarTech.com 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable (PEX2S1P552B) Break-out cable design with low and standard profile brackets for a versatile single slot solution to add 3 additional ports (2 serial, 1 parallel) to almost any system including space-sensitive embedded applications Native single-chip design reduces CPU load for improved performance and reliability Broad Operating System support including 64-bit Windows systems for easy integration into mixed environments Supports Re-map function for legacy ports (Supported OSs only) Low-profile design with optional full profile bracket Single-chip architecture Parallel data transfer rate up to 1.5 Mbps Serial data transfer rate up to 250 Kbps (per port)