... , RoHS and WQHL Life time warranty USB 3.0 super speed,PCI express card SpecificationsCapacityUSB 3.0 PCI-E host card 2-Port and 4-PortPacking ... 2000, XP, Vista and 7 operating systemData Transfer RatesUSB 3.0 with 3.0 PCI-E host cardRead 54MB/s,Write 15MB/sChipsetVIA VL 800Features1 ...