Specifications 1. Transfer speed up to 5Gbps 2. Supports SATA III and e-SATA 3. Compliant with USB 3.0 and XHCI 5. For Windows 2000 / 2003 / 2008 / Vista / Win 7 PCI-Express USB 3.0 COMBO SATA3.0 eSATA card adapter 5Gbps ASM chipset (1). Main Features: 1. One External USB 3.0 Super Speed Port 2. One Switchable Internal or External SATA 6G Port 3. Asmedia 104x USB3 Host Controller 4. Supports PCI Express Card Electromechanical 2.0 Specification 5. Compliant with USB 3.0 Specification Revision 1.0 and USB 2.0 6. Meet with XHCI Specification Revision 0.96 7. Supports the Function of USB Battery Charging and SATA III and e-SATA 8. SATA III Communication Speeds of 6.0Gbps 3.0Gbps and 1.5Gbps (2) System Requirement: Computer with Available PCI-e Slot Software for Windows 7VistaXP20082003 and 2000