1. Complies with USB 3.0 specification. 2. Compatible with USB 2.0 & 1.1 specification. 3. Data transfer rates up to 5.0 Gbps - 10 times faster than USB 2.0. 4. Plug & play and hot-swapping capability. 5. Bus-powered mode and no external power required for most peripherals. No extra power needed for normal recognition and operation. Optimized planar solution architecture, quick and easy installation, keeps your Pro case tidy. With fast and easy installation, this PCI card expands your Pro with four high-speed USB 3.0 interfaces, offering a way to connect USB 3.0 devices from your Pro. Expand with 1 USB 3.0 Type C, 3 Type A downstream ports for standard desktop PCs. Model Number: UP3100 Interface Type: PCI, USB Type: Card Color: Black Material: Plastic Package Contents: 1 x PCI Expansion Card 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 to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.