Features: brand new and high quality 1. High-performance 10Gbps USB3.1 high performance chip, high-speed retrieval and backup for data. 2. for M.2 NVME SSD to USB 3.1 adapter, no cables required. Can be used as a portable SSD. 3. Hot-swappable, plug-and-play, no driver required. for Windows XP/7/8/10 for MacOS 4. With RTL9210B chip, The chip uses low-power technology, will automatically turn off if there is no read or write operation within 10 minutes. 5. Support NVMe for M.2 interface 2242/2260/2280 SSD (for M.2 NVMe does not support PCIE AHCI and Sata protocols) Specifications: Item: for M.2 NVME SSD to USB 3.1 Adapter Card Applicable: for NVMe for M.2 interface 2242/2260/2280 SSD Interface: USB 3.1 Gen 2 Type-A to for M for Key for M.2 SSD Interface speed: 10Gbps for USB 3.1 Gen 2 Type A Chip: RTL9210B Working environment: - 20 ~ + 70 ° C System support: WinXP / win7 / win8 / win10 / Linux / for MacOS Product Size: approx 110x24mm/4.33x0.94x0.20" Package Includes: 1 x for M.2 NVME SSD to USB 3.1 Adapter 1 x Screwdriver note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.