ITEM NAME:USB 3.0 PCI Express Card adapter connector PCI-E Card 4 Ports PC Computer C3J6 USB 3.0 PCI Express Card adapter connector PCI-E Card 4 Ports PC Computer C3J6 Compatible with USB 3.0 specification revision 1.0 Supports low speed (1.5Mbps) / Full-speed (12Mbps) / high-speed (480Mbps) / Super-speed (5 Gbps) Supports 4 downstream ports for all speeds It supports all obedient type of USB data transfer as follows; Control / Bulk / Interrupt / Isochronous transfer Compatible with Intel's extensible Host Controller Interface (xHCI) Specification revision 0.95 Support USB legacy function Compliant with PCI Express Base 2.0 Supports PCI Express Card Electromechanical Specification Revision 2.0 It supports external power socket in order to supply power for each USB 3.0 one Connector up to 900mA Max / port Extremely fast and solution data transfer high capacity Compliant with USB 3.0 specification Transfer rate up to 5.0Gbps Date / 625MB / s Compatible with USB 2.0 and 1.1 specification Meets a single lane (x1) PCI-Express specification revision 1.0a Supports 2.5Gbps PCI-E bus with full duplex channel 4 USB 3.0 Type A female Plug & play and hot swapping capability Bus-