2. 5 inch Transparent USB3. 1 HDD Hard Drive Enclosure HDD CasingAbout this item Supports: Most 7mm/9.5mm 2.5 inch SATA I/II/III HDD and SSD up to 2TB MaxUltra-Fast USB 3.0 Supports UASP Protocol: SuperSpeed USB 3.0 has a maximum data transfer rate of 5Gbps, 20% faster than traditional USB 3.0, with UASP Transfer ProtocolTransparent Design, Easy Your Life: Help distinguish which hard drive is inside easily, designed to be a beautiful addition to your deskFull of Smart Features, Super Easy to Use: Tool-free installation hot-swap plug and play LED indicator compatible with Windows, Linux and MacWhat is in the box: 1 x 2.5" Hard Drive Enclosure, 1 x USB 3.0 Cable, 1 x User Manual, 1 x Service Card.