Appearance Type: M.2 2280 Dimensions: Double-sided 80 mm x 22 mm x 3.58 mm (3.15" x 0.87" x 0.14") Weight: 10 g (0.35 oz) Interface Bus Interface: NVMe PCIe Gen3 x4 Storage Flash Type: 3D NAND flash Capacity: 256 GB/512 GB/1 TB/2 TB