1. Fast Transmission Speed: Single NVMe protocol guarantees a 20Gbps fast transmission speed. 2. Durable Aluminum Alloy material: With the increased heat dissipation area, it ensures more stable file transmission and a longer lifespan. 3. Universal Compatibility: Can be attached to various devices such as personal computers, laptops, smart TVs, and for PS4. 4. Compatible Operating System: for Windows/Mac/Linux systems. 5. Portable: Its compact design and high utility make it an excellent travel companion for business work. Model Chip: JMS586R Protocol: NVMe single Speed: 20Gbps Fast Transmission Compatible M.2 2280 Size SSD drives size: 10.9 x 7.1 x 1.3CM Material: Aluminum alloy colour: Grey Package Contents: 1 x Hard Disk Case 1 x heat dissipation silicone grease 1 x screwdriver 2 x USB 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.