SEDNA - PCI Express 2 Port USB 3.0 + 1 Port PeSATA Adapter with Low Profile Bracket - (NEC / Renesas uPD720202 chipset) - SATA Power connector 2 x USB 3.0 Port support transfer speed up to 5Gbps ( 1 external + 1 internal ) 1 x PeSATA / USB 2.0 Combo Port ( External ) Low Profile bracket to fit HTPC or slim PC case Support Windows 8 UASP Transfer Rate: 5Gbps 480Mbps, 12Mbps