Intel Single Pack 400GB 750 Series Solid State Drive PCIE Full Height 3.0 20NM MLC 3.5" SSDPEDMW400G4X1 Storage Capacity: 400GB Solid State Drive. Form Factor: HHHL (CEM2.0). Interface: PCIe NVMe 3.0 x4. Sequential Read Speed (Up to): 2200 MB/s. Sequential Write Speed (Up to): 900 MB/s.