ITEM NAME:PCI-E PCI to Dual Serial DB9 RS232 2-Port Serial Adapter Controller Card Express 100% brand new and high quality PCIE PCI-E to Dual Serial DB9 RS232 2-Port serial card RS232 Express card 9 needle COM Controller Adapter expresscard WH382L Compliant with Single-Lane (x1) PCI-Express specification revision 2.0. Standard RS-232 DB 9pin male serial port compliant. Bi-directional speed from 50 bps to 16 Mbps/port. Supports up to 1Mbytes/sec transfer rate. Compatible with Standard 16C550 UART with 16-Byte Transmit-Receive FIFO. Support RS-232 Hardware Flow Control. Supports PCI-E plug and play. Driver support for M Windows 98SE / Me / NT4.0 / 2000/ XP / Server 2003 / Vista/ 7 / 8 /, Linux, DOS. Interface Type:PCI,PCI Express Size:(L*W)12.00*8.50cm/4.72"*3.35" Quantity:1Set 1Pc x PCI Express Card Adapter 1Pc x Driver CD.Standard RS-232 DB 9pin male serial port compliant. Supports up to 1Mbytes/sec transfer rate. Size:(L W)12.00 8.50cm/4.72" 3.35".