M.2 NVMe SSD 500GB KIOXIA (Toshiba) EXCERIA, Interface: PCIe3.0 x4 / NVMe1.3c, M2 Type 2280 form factor, Sequential Reads 1700 MB/s, Sequential Writes 1600 MB/s, Max Random Read/Write Speed: 350K /400K IOPS, MTTF 1.5mln hours, TBW: 200TB, BiCS FLASH™ 3D TLC