Features: Brand new and high quality Support NVME PCIE protocol, suitable for M2 (B+M-Key/M-Key) SSD. Support M2 SSD, 22x30mm, 22x42mm, 22x60mm, 22x80mm SSD. The output speed depends on the type of SSD you use, NVME (10Gbps). The aluminum increases the heat dissipation area, which facilitates the heat dissipation of the hard disk during work and increases life of the hard disk. Metal frame generates strong support to protect the internal hard drive from damage, effectively absorb the impact of external force and keep the damage out. Specifications: Material:Aluminium Transmission specification: USB3.1 Gen2 Transmission speed: 10Gbps Size: Approx.129x33x10mm/5x1.3x0.39inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set M2 NVMe Case