WD Blue 2TB NVMe (SN500) PCIe Gen 4.0, M.2 2280, Up to 5,150 MB/sBrand Western Digital Series Blue SN5000 NVMe Model WDS200T4B0E Device Type Internal Solid State Drive (SSD) Used For Consumer Form Factor M. 2 2280 Capacity 2TB 1TB 500GB Interface PCIe Gen4 16GT s, up to 4 Lanes Max Sequential Read Up to 5150 MBps Max Sequential Write Up to 4850 MBps 4KB Random Read Up to 650,000 IOPS 4KB Random Write Up to 770,000 IOPS Terabytes Written (TBW) 900TB MTBF 1,750,000 hours