USB 3.0 PCI-E to SATA Certified by CE, FCC, RoHS and WQHL Life time warranty USB 3.0 PCI-E to SATA SpecificationsCapacityUSB 3.0 PCI-E host card 2-Port and 4 ... systemData Transfer RatesUSB 3.0 with 3.0 PCI-E host cardRead 54MB/s,Write 15MB/sChipsetVIA VL 800Features1.Backwards compatible with USB 1.0/1.1/2 ... CE,FCC, RoHS and Microsoft WQHL approval15.Life time warranty USB 3.0 PCI-E to SATA