Equipped with mainstream chip, support USB3.2 full-speed transmission, stable operation, so that the performance is greatly improved. This expansion card belongs to USB3.2 GEN2 x 2 standard, backward compatible with USB3.0 and USB2.0 USB3.2 is 4X interface, can be inserted into the 4X 8X16X slot, to high-speed motherboard PCI-E3.0. The system only supports WIN10/11 or more systems, with the system comes with the driver, do not need to be installed separately because the SATA are plastic, not iron, so is relatively tight, plug in must be top of the back of the seat and then plug in , force will make the seat warp, you can use without plugging the power cord. Product parameters Colour: Black Material: PCB Product Name:USB3.2 GEN2 x 2 20Gbps TYPE-C expansion card Product master: ASMedia ASM3242 Product color: black Product interface: single-port TYPE-C (20G must be C-port to run, because it is to 4 pairs of signal lines) Support system: WIN10/WIN11 32/64BIT//linux Package Contents: 1 x Expansion Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.