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<br><br>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<br><br>Package Contents: 1 * expansion card 1 * cable<br><br>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.