Structure: M.2 2280 Interface: NVMe 1.3, PCI-Express 4.0 x4. Capacity in total: 1000GB * Up to 5000 MB/s for sequential read speed; up to 4400 MB/s for sequential write speed. * Over-Provision and Wear Leveling technologies TRIM and S.M.A.R.T. compatible Whole Body Copper Heat Distributor