Features: brand new and high quality for SATA and NVMe protocols. for 2230/2242/2260/2280 GB SSD. The chip uses low-power technology, if there is no read or write operation within 10 minutes, the SSD power will automatically turn off. USB 3.1 Gen 2 Type A connector, can be used directly into the USB port, for 3.0 / 2.0 interface. The USB 3.1 Gen 2 Type-A connector uses the main control of the rtl9210b. Supports dual for M.2 NVMe and SATA protocol. Transmission speed is up to 1030MB / S. Specifications: Material: Metal Colour: Black Interface: USB 3.1 Gen 2 Type-A for M for key for M.2 SSD Interface speed: 10Gbps for USB 3.1 Gen 2 Type A Chip: RTL9210B Size: approx. 113x23x4.5mm/4.44x0.91x0.18in Working Environment: - 20 ~ + 70 ° C System support: WinXP / win7 / win8 / win10 / Linux / paraMAC Package Includes: 1PC x HDD Enclosure note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!