Tech Support - Your satisfaction is of utmost importance to us. Every valuable customer can enjoy 7x12 hours quick support, 30 days free returns, 1-year warranty.We always stand behind our products. Auto Sleep Feature - The lifespan of your ssds will be shortened if the they are always in a working state, while Auto Sleep mode can avoid this and help extend the lifespan of your SSD. Of course, you can remove this function in Windows situation through tools. Easy to Use - Plug and play, no drivers required, exactly tool-free. Each of the nvme tray has one push button, which can be opened by simply slide. A rubber srew inside can be moved to the exact length of the SSD and remains stable to achieve a fixed function. Super Solid Construction - The entire shell of the hard drive caddy is made of thick heavy duty aluminum alloy and processed by CNC one-piece molding, which is very reliable. The surface is treated with a fine frosting process, which is smooth and does not leave fingerprints. Safe and Stable Transimission - This NVMe SSD enclosure adopts the RTL9210 main control chipset, which offer short-circuit protective, over-current protective and multiple protections to ensure the safety of your SSD and important data and achieve stable transmission. There was an extra external silicone sleeve is placed to avoid physical damage. 10Gbps Super-Speed Transmission - This NVMe M.2 SSD enclosure supports USB 3.2 Gen2 and UASP/Trim protocol, which can achieve a data transmission rate of 10Gbps. The read and write speed can reach around 1000MB/S. It is also backward compatible USB 3.0 and USB 2.0. Two Single NVMe Enclosure In One Caddy with Two Cables - Not support clone or raid. This dual-slot M.2 enclosure features two independent NVMe enclosures, which supports running a single SSD independently, or connecting two cables simultaneously to read two SSDs. Support M/B&M Keys and size fits 2230/ 2242/ 2260/2280 size SSD, storage up to 2x4TB.