1. Built-in SATA power supply interface, USB power output: up to 5V1.5A. 2. Each interface of the board has added self-recovery insurance to double protect USB devices. Supports simultaneous operation of multiple USB 3.2, 3.1, 3.0, USB 2.0 and USB1.1 devices. 3. No need to install drivers for WIN8 and above systems. Using the driver that comes with WINDOWS will be faster. The driver that comes with the system has the UASP function turned on. 4. Supports USB data transfer rates of 5G/480M/12M/1.5Mbps Product name:Type-A+Type-C interface expansion card External interface:PCI-E 1X (compatible with 1X, 4X, 8X, 16X) Interface rate:USB3.2 gen1 5Gbps Supported chassis:2U small chassis/4U large chassis Main control chip:D720201 System support:WINXP WIN7 WIN8 WIN10 WIN11 LINUX Driver description:Driver-free for systems above WIN10, the speed will be faster than the for original-driver Compliant with PCl Express Basic Specification Revision 2.0 Compliant with Universal Serial Bus 3.1 Specification Gen1 Compliant with USB connection SCSI protocol revision 1.0 Compatible with xHCI (eXtensible Host Controller Interface) specification revision 1.1 Colour:As Shown Material:PCB Package Contents: 2 x Expansion Card 2 x Driver CD 2 x Low profile stand