Features: 1. 10Gbps Super Fast Speed. SuperSpeed+ USB 3.1 supports up to 10Gbps data transfer rate, twice as fast as USB 3.0, 20 times faster than USB 2.0, and backwards compatible with USB3.0 / USB2.0 / USB 1.1. 2. Connect the 15-pin SATA power connector to the SATA port of this product, then plug this product into the PCIe x4, PCIe x8 or PCIe x16 slot of your computer. 3. The PCI-E port fits in any PCIe x4 or x8 or x16 slot. Compatible for Windows XP/7/8/8.1/10 or above and more. Drivers required are included on the provided CD. 4. This USB 3.1 2-Port PCIe Express Card is a simple and economical solution for adding the latest high speed 10 Gbps USB 3.1 ports to any desktop computers or servers. 5. USB 3.1 enables you to transfer videos, music, photos, data files between USB devices and the computer at enhanced transfer speeds of up to 10 Gbps. Specification: Material: PVC Interface: USB3.0+USB3.1 Color: shown as pictures Package List: 1 * Riser Card 1 * CD Note: Don't Support for Mac OS X 10.12 Sierra, NOT work on OS X 10.11. Please note: This PCI-E card is only compatible with standard-sized tower cases (not mini computers). 1、10Gbps Super Fast Speed. SuperSpeed+ USB 3.1 supports up to 10Gbps data transfer rate, twice as fast as USB 3.0, 20 times faster than USB 2.0, and backwards compatible with USB3.0 / USB2.0 / USB 1.1. 2、Connect the 15-pin SATA power connector to the SATA port of this product, then plug this product into the PCIe x4, PCIe x8 or PCIe x16 slot of your computer. 3、The PCI-E port fits in any PCIe x4 or x8 or x16 slot. Compatible for Windows XP/7/8/8.1/10 or above and more. Drivers required are included on the provided CD. 4、This USB 3.1 2-Port PCIe Express Card is a simple and economical solution for adding the latest high speed 10 Gbps USB 3.1 ports to any desktop computers or servers. 5、USB 3.1 enables you to transfer videos, music, photos, data files between USB devices and the computer at enhanced transfer speeds of up to 10 Gbps.