Features: Support fast speed up to 20Gbps for double disk copying and cloning. 20Gbps fast speed Transmission:large file transfer in a second supports USB3.2 standard and double NVME protocols With a theoretical transmission speed of up to 2,000MB/S, high-speed transmission of hard disk data, enhancing work efficiency. Highly performances chip: protect data more secure, fully enhances the stability of the transmission operations and endurances double disks used together, still smooth. Compatibles multiple specification hard disk: Vertical in-line not with size limitation for 5 different specifications of M.2 NVMe solid disks.. Specifications: Product name: M.2 Aluminum double bay Disk double bay Protocol Hard Disk Base Product material: Aluminum Supported protocol: /NVME Appearance size: 97x66.3x14.5mm/3.82x2.61x0.57in Suitable for hard drives: 2230 2242 2260 2280 22110 Multiple size M.2 solid disk drive Support: M-Key/B&M-Key External: Type C Transmission rate: 20Gbps Package Includes: 1PC M.2 Aluminum Double Bay Hard Disk Base note: There might be a bit color distortions due to different computer resolution There might be size errors due to different computer resolution