Gen1 compliant with the Universal Serial Bus 3.1 specification. Supports simultaneous operation of multiple USB 3.2, 3.1, 3.0, USB 2.0, and USB 1.1 devices. Easy to Install: With a size of 12x6.7x6.5cm and made of PCB material, this expansion card is easy to install and use, making it simple to expand your computer's USB capabilities.
eBay