PNY CS1031 256GB PCIe 3.0 NVMe M.2 2280 SSD - M280CS1031-256-CL - Storage Capacity: 256GB - Sequential Read Speed: 1700MB/s - Sequential Write Speed: 1100MB/s - Interface: PCIe Gen 3x4 NVMe 1.3 - Security: S.M.A.R.T. & End-to-End Data protection supported - TBW: 380 - MTBF: 2 Million Hours - M280CS1031-256-CL