Gigabyte SSD M.2 PCIe M30 512GB Interface PCIe 3.0×4, NVMe 1.3 Form Factor M.2 2280 Total Capacity 512GB NAND 3D TLC NAND Flash External DDR Cache DDR3L 2Gb Sequential Read speed Up to 3500 MB/s Sequential Write speed Up to 2600 MB/s Random Read IOPS up