Koutech Dual Channel Power Over eSATA PCI Express Host Controller with Built-in USB 2.0 Interface Fully compliant with one-lane PCI Express specifications (PCIe x1 slot) Two (2) external Power Over eSATA connectors Power Over eSATA connectors will provide 5V & 12V bus-powered via its connectors Enables you to connect up to two (2) SATA or two (2) Hi-Speed USB 2.0 external peripherals Supports Windows 2000/XP/Server 2003/Vista/Server 2008/Windows 7/Windows 8 and Linux