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 is relatively tight, plug in must be top of the back of the and then plug in , force 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 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.About UsWe provide the good product with the best price,we support Wholesale/Drop Shipping Order1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it.2. For Wholesale/Drop Shipping orders, if you have any ideas about the price or package,please contact us in advance,we will give you the best service to satisfy your demands.About Shipments1.We will send out the orders ASAP once your payment is completed normally.2.Please write your complete delivery address with correct phone number and zip code, especially please confirm your full name.About After-sale ServiceWe are reliable seller and we have our professional after-sale service for all of our customs. If there is any question about the order,please contact us in advance ,we will always here until you get a happy answer.About Feedback1. Please check the package and item when you get carefully to make sure there is no problem.2. If you have any problem or are not entirely satisfied with your package,please don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you.3. If there is no problem, please leave us five star positive feedback.Your affirmation is our greatest motivation ! !