1: Compliant with 3.0 USB.2: Compatible with 2.0 USB and 1.1 specification.3: Date transfer rate up to 5.0Gbps - 10x faster than USB2.04: Plug & play and hot-capability.5: Bus-powered mode and no external power supply required for most peripherals. No additional power supply for normal recognition and operation, optimized board plane architecture, quick and easy installation, keeps your Pro-case tidy with quick and simple installation, this PCI card expands your Pro with four high-speed USB3.0 interfaces, offers you to connect to USB 3.0 devices from your ProExpand with 1 USB 3.0 Type-C, 3 type downstream ports for standard desktop PCNead Number: UP3100 Interface Type: PCI ,USBCont Type: CardsColor: BlackMaterial: Plastic Package Contents:1 x PCIe Expansion CardOnly 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 allowed measurement error is +/- 1-3cm.