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 USB2.0USB3.2 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 , with the system comes with the driver, do not need to be installed separately because the SATA are plastic, not iron, so the is relatively , plug in the must be top of the back of the and then plug in the , force the will make the warp, you can use without plugging the power cord.Product parametersColour: BlackMaterial: PCBProduct Name:USB3.2 GEN2 x 2 20Gbps TYPE-C expansion cardProduct master: ASMedia ASM3242Product color: blackProduct 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//linuxPackage Contents:1 x Expansion CardOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.