VIA/VL805 is a single-chip USB 3.0 host controller that enables PCI Express-equipped platforms to interface with USB high-speed (5Gbps), high-speed (480Mbps), full-speed (12Mbps), and low-speed (1.5Mbps) devices, allowing users to easily connect mass storage devices, printers, scanners, hubs, cameras, and any other USB devices to be used. Compliant with M.2 Key M (2280) standard Transmission protocol: PCIe x1 Fully compliant with PCI Express Base Specification Revision 2.0 Single- (x1) PCI Express throughput rate up to 2.5Gbps Compliant with Universal Serial Bus 3.0 Specification Revision 1.0 Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices Supports the following speed data rates: Low Speed (1.5Mbps)/Full Speed (12Mbps)/High Speed (480Mbps)/Super Speed (5Gbps) Supports 2 downstream ports for all speeds Built-in 4-pin power connector for receiving additional power from the system Hot-swap function allows you to connect/disconnect devices without turning off system power Bus type: M.2 M Key Main chipset: VIA/VL805 Media interface: 1 x USB3.0 Type-E port 1 x Built-in 19PIN USB3.0 connector 1 x Built-in large 4PIN power supply Transmission rate: low speed (1.5Mbps)/full speed (12Mbps)/high speed (480Mbps)/overspeed (5Gbps) Management function: hot swap function allows you to connect/disconnect devices without turning off the system power : Win 10/Win 8/Win 7/Vista/XP/2000/ME/98SE/Server2003-2008 32/64-bitLinux, DOS Color: As Shown Material: plastic Package Contents: 1 * expansion card 1 * cable 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.