Appearance Type: M.2 2242 Dimensions: Single-sided 42 mm x 22 mm x 2.23 mm (1.65" x 0.87" x 0.09") Weight: 5 g (0.18 oz) Interface Bus Interface: NVMe PCIe Gen4 x4 Storage Flash Type: 3D NAND flash Capacity: 256 GB/512 GB/1 TB/2 TB