Transmitting speed of USB 3.0 is 10 times than USB 2.0; Expands two SATA 6G ports; Adpots PCI Express x2 Lane bus, can provide charge for Apple devices; Supports PCI Express x2 Lane interface, transmitting rate can be 10Gbps, conform to PCI Express bus standard; Revision 2.0 USB 3.0 interfaces conforms to serial bus 3.0, standard 1.0, compatible w/ USB 2.0 and PCI-Express 1.0; BC1.2 device SATA III interface conforms to Serial ATA Specification 3.0, transmitting rate can be 6.0Gbps, compatible w/ SATA II(3.0Gbps) and SATA I(1.5Gbps); Expands two SATA ports, supports Native Command Queuing (NCQ) and FIS; Supports hot plug and play; Supports Windows 8, Windows 7 / Vista / XP, Server 2008 R2, Server 2008 32/64-bit, Server 2003 32/64-bit