1. Adopt D720201 master control. Because USB interface defines a large current, a power supply module is specially designed. It can be used without additional power supply. The expansion card uses multiple solid capacitors, which greatly ensures stability of USB power supply 2. Firmware and driver are updated first 3. Each interface of board has added self-recovery insurance to double protect USB devices 4. Supports simultaneous operation of multiple USB 3.2, 3.1, 3.0, USB 2.0 and USB1.1 devices 5. Supports USB data mission rates of 5G/480M/12M/1.5Mbps<br><br>Product name:Type-A*2+Type-C*2 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:for WINXP WIN7 WIN8 WIN10 WIN11 LINUX Driver description:Driver-free for systems above WIN10, the speed be faster than original-driver Color:Black Material:PCB<br><br>Package Contents: 1 * Expansion Card Kit<br><br>Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.