M.2 NVMe SSD 512GB VIPER (by Patriot) VPN110, w/Aluminum Heatshield, Interface: PCIe3.0 x4 / NVMe 1.3, M2 Type 2280 form factor, Sequential Read 3100 MB/s, Write 2300 MB/s, Read 500K IOPS, Random Write 500K IOPS, Thermal Throttling Technology, DRAM Cache 512GB DDR4, SM2262EN, TBW: 400TB, 3D NAND TLC