Features: Aluminum alloy material, the aluminum alloy case increases the heat dissipation area, facilitating the heat dissipation of the hard drive during operation, effectively protecting your hard drive, making file transmission more stable, and increasing the service life of the hard drive. Adopting RTL9210B chip, two protocol NVMe/SATA 10Gbps fast transmission guaranteed. Compatible hard drives: 2230, 2242, 2260, and 2280 This M.2 NVMe case can be connected to various devices, including computers, laptops, art TVs The hard drive case is convenient to carry and is very suitable for travel and business work, which is what is hidden in the pocket. There are two option available: two protocol NVMe/SATA and NVME protocols. Specifications: Item:Two Bays M.2 Hard Drive Disk Box Enclosure Size:approx 10X5.2X1CM/3.94x2.05x0.39in Material:Aluminm Alloy Chip:RTL9210B Control Transmission interfaces: USB3.1 Transmission speed 10Gbps 1000Mb Read Write Compatible hard drives: 2230, 2242, 2260, and 2280 Protocol Types: Single NVMe Protocol/ SATA and NVME ProtocolsSupport capacity: 4T Note: There might be a bit color distortions due to different computer resolutions. There might be size errors due to different computer resolution Package includes: 1PC SSD Enclosure