Features: 1.Dual Bay: This M.2 SSD duplicator is designed with 2 dual bay, which is suitable for 2 M.2 SATA SSD(2230 22242 2260 2280 22110). 2.Offline Clone: This M.2 SATA SSD docking station supports offline clone, which helps you to clone old SSD quickly, saving your time and effort. 3.Data Protection: This M.2 docking station copies all data information cloned to the target disk, ensuring that no data is missed or lost from the source disk. 4.High Speed Transmission: This M.2 SATA SSD duplicator provides up to 1Gbps high speed data transmission. Reading/writing and SSD control can be realized via USB cable. Each bay supports 2TB(4TB supported in total). 5.Plug and Play: This M.2 cloner docking station features user friendly and humanized design, plug and play without drivers needed. Comes with SSD storage box, safe and portable. Suitable for Win XP/7/8/9, for OS X Laptop. specification:Item Type: M.2 SSD Duplicator Material: ABS Supports Hard Disks: M.2 SATA (B Key/B and M Key) SSD Position: Dual Bay External Interface: Type C Product One to One SSD Offline Clone, Data Transmission Operating System: Suitable for Win XP/7/8/9, for OS X Laptop. PackageList:1 x M.2SSDDuplicator 1 x SSD Box 1 x USB C Cable 1 x USB C to USB A Adapter 1 x User Manual NoteIf you use M.2 and B key solidstate drives, you will need to use them with the adapter (not included). When offline cloning is applied, please make sure that the capacity of the target M.2 SATA SSD is larger than that of the original M.2 SATA SSD. Please make sure your hard disk is M.2 SATA protocol before purchase, our products support M.2 sata protocol, not M.2 NVME protocol.