M.2 nvme ssd 250gb goodram px600 gen2, interface: pcie4.0 x4 / nvme1.4, m2 type 2280 form factor, sequential reads/writes 3200 mb/s / 1700 mb/s, tbw: 100tb, mtbf: 2mln hours, 3d nand tlc, heat-dissipating thermal pad