Equipped with mainstream ASM chip, support USB3.1 full-speed transmission, stable operation, so that the performance is greatly improved.On-board 5V/5A high-power DC power supply module, using imported Item power supply chip, stable output, quality assurance. Spare SATA15P power supply interface, providing more powerful powerTwo devices running simultaneously, while having a high-speed USB3.1 TYPE-C dual interface PCI Express card, which complies with the PCI Express system specification, allowing your chassis to expand into two USB3.1 TYOE-C port, the product supports two devices running simultaneously, the transfer speed can reach 10GbpsStandard PCI-E interface Widely compatible with the new high-speed PCI-E 3.0 specification, and backward compatible with the PCI-E 2.0 specification, applicable interfaces: PCI-E 4x, PCI-E 8x, PCI-E16x.Each interface is equipped with intelligent insurance, for your property and data to guard every door!Product parameters:Product Name:USB3.1 expansion cardProduct master: ASMedia ASM3142Product Interface:. Dual TYPE-C interfaceSupport system:WIN7/WIN8 WIN10 32/64BIT/MAC/I i nux/MACMaterial: PCBcolour: blackPackage 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 ! !