Appearance Dimensions: -Single-sided: 80.0 mm x 22.0 mm x 2.23 mm (3.15" x 0.87" x 0.09") -Double-sided: 80.0 mm x 22.0 mm x 3.58 mm (3.15" x 0.87" x 0.14") Type: M.2 2280 Weight: 9 g (0.32 oz) Interface Bus Interface: SATA III 6Gb/s Storage Flash Type: 3D NAND flash Capacity: 128 GB/256 GB/512 GB/1 TB/2 TB/4 TB