SilverStone M.2 SSD M-Key to PCI-E x4 Adapter (SST-ECM21) 680.- est. delivery in 2-4 days SKU:#029950 Product No.:SST-ECM21 Short link:http://i.nvade.it/7N4 See specifications from the manufacturer Description Specifications Converts M.2 port (M key) into one PCI-E x4 interface Includes optional low-profile expansion slot No driver installation required SilverStone’s ECM21 is an adapter designed for users wanting to utilize or add speedy M.2 devices such as SSD onto their existing PC or motherboard. ECM21 supports M.2 device (M key) to run via the super fast PCI-E interface for added storage potential. For users looking to have the fastest data access speed on a desktop computer, the ECM21 is a must have.