Dimensions: Single-sided: 80 mm x 22 mm x 2.23 mm (3.15" x 0.87" x 0.09") Double-sided: 80 mm x 22 mm x 3.58 mm (3.15" x 0.87" x 0.14") Weight: 8 g (0.28 oz) Type: M.2 2280 Interface Bus Interface: NVMe PCIe Gen3 x4 Storage Flash Type: 3D NAND flash Capacity: 250GB/500 GB/1 TB/2 TB