Storage Capacity Total: 500 GB PCIe 3.0 x4 M.2 2280 SSDRead Speed Sequential: 3500 MB/sRandom: 350,000 IOPS 4 kB FilesWrite Speed Sequential: 1900 MB/sRandom: 460,000 IOPS 4 kB FilesBuffer NonePre-Format NoneSSD Specs Flash Memory Type 3D NANDSMART Support YesTRIM Support YesReliability / Data Integrity Encryption NoneMean Time Between Failures (MTBF) 1.5 Million Hours