M.2 NVMe SSD 500GB Corsair MP600 GS, Interface: PCIe4.0 x4 / NVMe1.4, M2 Type 2280 form factor, Sequential Reads 4800 MB/s / Writes 3500 MB/s, Random Read / Write IOPS - 450K / 700K, Phison PS2021-E21T, AES-256 encryption, TBW - 300 TB, 176L Micron 3D TLC NAND