1. Only supports NVME protocol M.2 SSD, does not support B+M key SATA protocol M.2 NGFF SSD. 2. Support specifications: 2230(other lengths are not supported).Note:don't support old version NVME SSD, pls take it into account before placing an order. 3. Chip: JMS583 TYPEC 3.1 chip, support mainstream nvme pcie m2 hard drive on the market 4. External interface: USB3.2 Type-A straight plug interface is downward compatible with USB3.0 USB2.0 interface (supports USB2.0 and 3.0 interfaces, of course you run 2.0 when you connect 2.0, and run 3.0 when you connect 3.0) 5. Reading speed: 1000MB/s (This data is for reference only) The actual reading speed is mainly related to the SSD and the device. The test results of the same device on different SSDs are different. Colour:Photo Color Material:aluminum alloy Package Contents: 1 x NVMe SSD Enclosure 1 x Type C to Type C Cbale 1 x USB to Type C Cable 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.