The QNAP USB 3.2 Gen 2 Expansion Card provides speeds of up to 10 Gb/s - double that of USB 3.2 Gen 1 - to greatly boost data transfer speeds. With two ports, the QNAP USB 3.2 Gen 2 Expansion Card provides compatibility with newer, faster USB 3.2 Gen 2 devices to accelerate file transfers and backup. The QNAP USB 3.2 Gen 2 Expansion Card can be installed in either a QNAP NAS or Windows/Ubuntu PC.