SEDNA - PCI Express 4 Port USB 3.0 [ 2 External + 2 Port Internal ( 20 pin ) ] + 1 Port PeSATA Adapter - (NEC / Renesas uPD720201) chipset 4 x USB 3.0 Port support transfer speed up to 5Gbps ( 2 external + 2 internal ) 1 x PeSATA / eSATA Port ( External ) Support Windows 8 UASP Transfer Rate: 5Gbps USB 3.0