Appearance Type: M.2 2280 Dimensions: Double-sided 80 mm x 22 mm x 3.77 mm (3.15" x 0.87" x 0.15") Weight: 10 g (0.35 oz) Heatsink Type: Graphene heatsink Interface Bus Interface: NVMe PCIe Gen4 x4 Storage Flash Type: 3D NAND flash Capacity: 1 TB/2 TB/4 TB