Appearance Type: M.2 2280 Dimensions: Single-sided 80 mm x 22 mm x 2.42 mm (3.15" x 0.87" x 0.1") Weight: 9 g (0.35 oz) Heatsink Type: Graphene heatsink Interface Bus Interface: NVMe PCIe Gen4 x4 Storage Flash Type: 3D NAND flash Capacity: 250GB/500 GB/1 TB/2 TB/4 TB