Startech PEX8S1050LP, Bus PCI Express, Ports-8, Data Bits 5, 6, 7, 8, FIFO 256 Bytes, Max Baud Rate 921.6 Kbps, Stop Bits 1, 1.5, 2Connector Type(s), 1 - PCI Express x1 Male, External Ports 8 - DB-9 (9 pin, D-Sub) Male, Included 1 - PCIe Serial Card, 2 - DB44 to 4-Port SB9 Breakout Cables, 2 - Full Profile Brackets, 1 - Quick-Start Guide, 8 - Optional DB9 Connector Hex Nut Pairs. Add eight RS232 DB9 serial ports to your desktop computer, through two PCIe expansion card slots. This PCI express serial card, with two breakout cables, provides you with multiple ports to connect a wide variety of serial p