WD Black SN850X 2TB PCIe 4.0 NVMe M.2 2280 SSD with Heatsink – Storage Capacity: 2TB – Sequential Read Speed: 7,300MB/s – Sequential Write Speed: 6,600MB/s – Random 4K Read: 1200K IOPS – Random 4K Write: 1,200 IOPS – Interface: PCIe Gen4 16GT/s, up to 4 Lanes – TBW: 1200TB – Heatsink Included – WDS200T2XHE – Open Box