Syba SD-PEX50055 2 Port USB 3.0 and 2 Port SATA III PCIe 2.0 x4 Controller Card Green grey The optional cables are not included and PCI-E version 2.0, x4 Lane Backwards compatible with PCI-E 1.0A with data transfer rate up to 2.5Gbps Compliant with USB 3.0 Specification Revision 1.0 Supported data transfer types: control, bulk, Interrupt, Isochronous Supports real time Dynamism Insertion and Removal of USB devices PCI-Express x4 2.0 Interface Supports SATA Port Multiplier USB 3.0 Super-speed (5Gbps) Host Port, Backward Compatible with USB 2.0 Compatible with SATA-III (6Gbps), SATA-II (3Gbps), SATA-I (1.5Gbps) Hard Drives and SDD's Internal HDD Power Connector for Supplying Extra +5V Power to the USB Ports