The new expansion card adds full support for the new specification on motherboards with a PCIe x4 slot. With the USB Type-C port design and backward compatibility with USB 2.0/3.0/3.1, the new expansion card offers an affordable way for users to upgrade to the USB 3.2 Gen 2x2 specification without having to get a new motherboard. OS SUPPORTED: Windows 7, 8, 10, 11 Linux Kernal 2.6 or above