Feature Supports up to 7 USB 3.0 devices. Motherboard 20P connector available for expanding 2 more USB 3.0 ports to PC case front panel. High-performance chipset NEC uPD720201, provide the stable and reliable USB 3.0 connect with your computer. Compliant with USB 3.0 specification. Compatible with USB 2.0 & 1.1 specification. Date transfer rates up to 5.0Gbps - 10x faster than USB2.0 5 external USB 3.0 Type-C + Type-A female connectors. One motherboard 20P male connector available for 2 more USB 3.0 ports. Plug & play and hot swapping capability. Bus-powered mode and no external power required for most of peripherals. 15 Pin SATA power connector available for some high current consumption peripherals or 3 above devices at the same time. Premium material and workmanship, high quality and long lifespan.Operating SystemsWindows XP, Vista, Windows 7 and Linux (with included drivers)Windows 8/8.1/10 - No additional drivers are neededPackage Includes1 x 5 Ports PCI-E to USB 3.0 Expansion Card1 x SATA 15-pin male to dual SATA 15-pin female power Y-Cable - 6.4 inches1 x 4-pin male to dual SATA 15-pin female power Y-Cable - 8 inches1 x Driver CDPlease NoteThis PCI-E card is only compatible with standard-sized tower cases (not mini computers).To ensure sufficient power supply and smooth transfers,particularly for large data transfers,it is necessary to connect the card to the power supply of the PC.Internal USB3.0 20PIN Connector need work with USB3.0 20PIN Adapter to Achieve 2x USB3.0 Hosts - USB3.0 20PIN Adapter is not included in Package.This PCI-E card is not recommended to Oculus Rift and Kinect 2 users.