1.This JMS578 Enclosure only for SATA M.2 NGFF SSD (B KEY),compatible with the ,Linux ,applicable to sizes 2230/2242/2260/2280 solid state drivers. Does not support M.2 PCIe NMVE SSDs, M .2 PCIe AHCI SSDs devices 2.USB3.0 Gen1 Port supports data transmission speeds of up to 5Gbps for steady and efficient data transfer 3. Detachable heat dissipation protective cover, built-in aluminum alloy heat sink 4. Tool-free installation, plug and play 5.USB3.0 port, easily connecting SATA M.2 SSD to USB PC for file backup and storage expansion. Basically everything you need to be to transfer data between almost any computer in the world The M.2 NGFF SATA SSD Box features a and slim size, making it portable to take with you and a perfect companion for your laptop while Name: USB3.0 External M.2 NGFF SATA SSD Enclosure Transmission speed: 5Gbps speed Interface: USB3.0 Supported devices: SATA M.2 SSD(B KEY) Colour:black Material:PC Size:123x38x12mm Package Contents: 2x M.2 NGFF SATA SSD Enclosure Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.