M.2 NVMe SSD 500GB Kingston KC2000, Interface: PCIe3.0 x4 / NVMe1.3, M2 Type 2280 form factor, Sequential Reads 3000 MB/s, Sequential Writes 2000 MB/s, Max Random 4k Read 350,000 / Write 250,000 IOPS, SMI 2262EN controller, 96-layer 3D NAND TLC