Description: 1. Product name: USB3.1/3.0 multi-port expansion card 2. Interface type: PCI-E 1x 3. Applicable models: conventional desktop computers (need to have an idle graphics card interface) 4. Number of interfaces: USB3.1 Type-C interface x1, USB3.0 Type-A interface x1 5.Use chip: VL805 6. External power supply port: SATA 15PIN 7. Support: WindowsXP/win7/win8/win8.1/win10 and other common systems 8. According to conditions: available PCI-E 1x/4x/8x/16x graphics card slot note: The appearance, color and printing of the product from batch to batch, but it will not affect the use Material: PCB+metal colour: As shown Package Contents: 1 x Expansion Adapter Card 1 x Baffle 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. 5. Need A Professional To Install The Corresponding Accessories To Avoid Damage To The Accessories 3. Nice Replacement For Broken Or Old One, Make You Device Work Properly Features: 1. Desktop graphics card PCI-e1x to USB3.1Type-C expansion card USB3.0 A adapter card can be inserted reversibly 4. High Quality For Professional Use 2. Made Of High Quality Material, And Wear-