XCSOURCE 7 Ports PCI-E to USB 3.0 Expansion Card - Interface USB 3.0 7-Port PCI-Express Card Desktop With 19 pin SATA Power Connector For Windows XP / Vista / 7 / 8 AC317 Supports up to 7 USB 3.0 devices. 19 pin SATA power connector. Date transfer rate up to 5.0Gbps / 625MB/s. 5 external and 2 internal USB 3.0 type A female connectors. Supports Windows XP / Vista / 7 / 8.