Capacity: 256GB, Type: M.2 2230, Bus Interface: NVMe PCIe Gen3 x4, Sequential Read/Write (CrystalDiskMark): Up to 2,000/950 MB/s, 4K Random Read/Write (IOmeter): Up to 90,000/220,000 IOPS, Terabytes Written (TBW): 100 TBW, MTBF: 2,000,000 hour(s), Warranty: 05 Years, TS256GMTE300S.