Features 1、HIGH CURRENT OUTPUT: Maximum current up to 900mA for each USB3.0 port, providing a stable power supply for your devices. 2、STRONG COMPATIBILITY: Expansion card compatible with multiple systems, compatible with for Windows 7 8 10 and for OS X 10.8.2 and many other operating systems. 3、MULTIPLE INTERFACE OPTIONS: With 4 USB A and 3 Type C ports, it is convenient for you to connect multiple USB devices to meet different needs. 4、TRANSMISSION: Supports low speed, full speed, and high speed transmission, with a maximum transfer rate of up to 10Gbps to meet your data transfer needs. 5、SIMPLE INSTALLATION: Socket types are PCIe X4, X8, X16, no external power supply required, simple and convenient to install and use. Specification Item Type: USB3.2 PCIE Card Material: PCB Number of Ports: USB A x 4 and USB Type C x 3 Transfer Speed: 10Gpbs Socket Type: PCIe X4, X8, X16 Compatible Systems: for Windows 7 8 10 and for OS X 10.8.2 Driver: Drive Free (only for Windows 7 Requires Driver Installation) External Power Supply: No External Power Required Package List 1 x Expansion Card 1 x Instruction Manuals 2 x Screws 1 x Driver CD ROM