ITEM NAME:RS232 Black with Drive Disc Expansion Card High Speed Add on WCH382L 9 Pin X5T8 RS232 Black with Drive Disc Expansion Card High Speed Add on WCH382L 9 Pin X5T8 High-speed signal enhancement technology 2 RS-232 serial ports can support communication rates up to 230.4Kbps Can be installed in a variety of PCI Express slots (including 4x 8x16x). Support DOS, for Windows 8 / 7 / Vista / XP / 2000 / Server 2003-2008 32/64-bit, Linux and other operating systems Type: Expansion Card Chip: WCH382L Interface: PCI-E Transmission rate: 250Kbps Stop position: 1, 2 Color: Black + Silver Material: Metal + PCB Package Contents: 1 * Expansion Card 1 * CD.Chip: WCH382L. Type: Expansion Card. 1 Expansion Card. Stop position: 1, 2. Color: Black + Silver.