WD Red SN700 500GB M.2 2280 PCIe Gen3 x4 NVMe Solid State Drive (WDS500G1R0C) - Capacity: 500GB, Form Factor: M.2 2280 S3-M, Sequential Read Performance: 3430MB/s, Sequential Write Performance: 2600MB/s, Random Read: 420K IOPS, Random Write: 380K IOPS, Interface: PCIe Gen3 x4, Endurance (TBW): 1000