Features: 1.HIGH SPEED: Adopting RTL9210B as the main control chip, powerful performance, transmission speed up to 5Gbps, fast read and write. 2.TOOL FREE INSTALLATION: The opening and closing design is easily accomplished with one pressure and one pull, and the hard disk is fixed with a silicone screw post, convenient and stable! 3.FAST HEAT DISSIPATION: Aluminum alloy shell with metal heat sink, long time use, can quickly export heat for the hard disk to ensure stable operation of the hard disk transmission. 4.COMPATIBLE OBJECTS: Compatible with 2230/2242/2260/2280 four different s of SSD, support for Windows, for OS X, for Linux operating system. Supports hot plug and play, plug and play. 5.NOTE: B and M Key has NVMe and SATA, please check carefully before purchasing, can not be used in reverse, this product only supports SATA, does not support NVME protocol. specification:Item Type: M.2 SATA Hard Drive Enclosure Material: Aluminum Alloy, Plastic Color: Black Interface: USB C Cable Type: USB C to USB3.1/USB C Support Hard Disk: M.2 SATA Protocol Solid State Drive Transfer Speed: 5Gbps Support System: for Windows, for OS X, for Linux PackageList: 1 x HardDiskCase 3 x PistonScrews 1 x USBCtoUSB3.1OrUSBCCable