Blueendless SD08 Dual-Bay NVMe SSD Enclosure M.2 Offline Cloning Device 20Gbps High-Speed Solid-State Drive Case 1. Supported capacity: 4TB per drive, total capacity 8TB 2. Transfer rate: 20Gbps 3. Supported drives: M.2 NVMe 223022422260228022110 4. Materials: aluminum, ABS 5. Power supply: 12V 2A 6. Size: about 6.95 x 1.818 cm Features: 1. No computer connection required. Insert two drives into the dock, press the copy button to transfer data from the source drive to the target drive—simplifying backups (Note: Both drives must use NVMe protocol) 2. Transfers 2GB files in about 1 second for high-speed data transfer and improved productivity 3. Plug-and-play design requires no installation; simply connect to operate, making multiple drive swaps effortless 4. Robust 12V 2A power supply for full-load operation 5. Vertical streaming design accommodates 5 different M.2 NVMe SSD sizes without dimensional constraints 6. Single-drive capacity up to 4TB; dual-drive configuration expands to 8TB for effortless storage of videos, files, games, and massive data 7. Open-frame design ensures 360-degree unobstructed heat dissipation, preventing overheating and lag 8. Versatile for entertainment and office use 9. Driver-free plug-and-play with broad compatibility across devices 10. Progress indicator light provides real-time transfer status 11. Four silicone feet on the bottom ensure stable, wear-resistant, and non-slip placement on desktops