1. No need for additional power supply for normal identification and operation, optimized board plane structure, quick and easy installation, keeping the Pro case tidy-through quick and easy installation, this PCI card is expanded by four high-speed USB3 The Pro .0 interface provides a for connecting from Pro to USB 3.0 devices2. Expanded 1 USB 3.0 Type C, 3 Type A downstream ports for standard desktop PC3. Comply with USB 3.0 specification. Bus-powered mode, most peripheral devices do not need external power supply4. Compatible with USB 2.0 and 1.1 specifications.5. The transmission rate is up to 5.0Gbps-10 faster than USB2.0 Plug and play and hot plug function.Product name: PCI-e to USB3.0+Type-C multi-port expansion cardInterface type: PCI-E 1xApplicable models: conventional desktop computers (need to have an idle graphics card interface)Number of interfaces: USB3.0*3 Type-C interface*1Use chip: FL110No need for external power supplySupport: WindowsXP/win7/win8/win8.1/win10 and other common According to the conditions: Available PCI-E 1x/4x/8x/16x graphics card slotColour:blackMaterial:Metal + PCBSize:12.7 x 6.6 x 1.5cm Package Contents:1 x PCI-E Expansion CardOnly the above package content, other products are not included.Note: Light 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.