Welcome to the store! 1. Equipped with USB 3.1, this expansion card supports a fast transfer speed up to 500-1080M/S. 2. Supports hot plug and instant start. Convenient to replace multiple USBs. You don't need to turn off the system when connecting/disconnecting devices. 3. The 15PIN power supply port has strong current. Equipped with SATA 15PIN power supply backup interface, ensuring strong power supply. 4. Expand future host performance, supports Type-C blind plugging, has comprehensive downward compatibility. 5. Supports the new high-speed PCI-E 3.0 specification and is backward compatible with the PCI-E 2.0 specification. Applicable interfaces: PCI-E1x/4x/8x/16x. 6. Complies with the new USB 3.1 specification revision 1.1 formulated by Intel. Item Type: USB 3.1 PCI-E Card Product Material: Printed Circuit Board Product Master: For ASMedia ASM3142 Product Color: Black Product Interface: TYPE-C+TYPE-A Support System: For WIN7/WIN8 WIN10 32/64BIT/OS X/Linux 1 x Driver Disk 1 x USB 3.1 PCI-E Card 1 x Chassis Panel We strive to achieve your satisfaction and only provide you with a good shopping experience. If you have any questions after receiving the goods (different product quantities, damaged packaging, etc.), please contact us in time! We will provide you with the best solution.