The product is a portable mini mobile hard disk box, designed as a U disk, suitable for m.2 (NGFF/NVME) ssd Standard USB3.0 transmission, backward compatible for USB2.0, supports up to 5Gbps transmission rate Support for 2000/XP/2003/Vista/7/8, Linux, 10.0 OS Plug and play, support hot swap, working power indicator light made of ordinary aluminum has a more refined appearance and smooth feel, which cannot be achieved by ordinary aluminum shells (if you are looking for more perfect quality, please choose this one) product specification: Internal interface: M.2 NGFF (SATA protocol)/NVME (NVME protocol) specification revision 0.9 External interface: USB3.1/USB3.0, backward compatible FOR USB3.0 USB2.0, USB1.1 Support SSD size: 22x30, 22x42, 22x60, 22x80 Support m.2 key B, B+M Type (SATA protocol)/M KEY (NVME protocol) DC 5V working voltage Chip: SATA protocol: 1153E master control, NVME protocol: JMS583 master control, dual protocol: RTL9210B Material: aluminum colour: As shown Package Contents: 1 x External HDD Box 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.