Only Supports M.2 SSD PCIE interface. Aluminum Sheet Thermal Conductivity Silicon Wafer Cooling, Strong heat dissipation, the temperature drops 25 degrees Celsius. Converts one M.2 (M Key) interface to PCIE 3.0 x16 interface. With advanced heat sink solution, PCB 68 copper hole effective ventilation heat dissipation, Including 2 heat sinks. Supports M.2 Nvme PCIE SSD size 2230, 2242, 2260, 2280mm. LED power and data transfer status. No driver installation required. The design adopts GEN3 mode, which guarantees full-speed transportation in principle.