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. Features: 1. Desktop graphics card PCI-e1x to USB3.1Type-C expansion card USB3.0 A adapter card can be inserted reversibly 2. Made Of High Quality Material, And Wear- 5. Need A Professional To Install The Corresponding Accessories To Avoid Damage To The Accessories 4. High Quality For Professional Use 3. Nice Replacement For Broken Or Old One, Make You Device Work Properly