Model Name SPATIUM M450 PCIe 4.0 NVMe M.2 Capacity 250GB 500GB 1TB 2TB Controller PHISON E19T Flash Memory 3D NAND Form Factor M.2 2280 Interface PCIe Gen4x4, NVMe 1.4 Compatibility PCIe Gen4 / Gen3 / Gen2 / Gen1 Dimensions 80.00mm (L) x 22.00mm (W) x 2.15mm (H) Sequential Read up to (MB/s) 3500 3600 3600 3300 Sequential Write up to (MB/s) 1200 2300 3000 3000 Random Read 4KB up to (IOPS) 150,000 300,000 420,000 380,000 Random Write 4KB up to (IOPS) 300,000 550,000 550,000 540,000 Maximum Operating Power (W) 3.4 3.4 4.0 4.5 Idle Power PS3 (mW) 40 Low Power L1.2 (mW) 5 Operating Temperatures 0°C – 70°C Storage Temperatures -40°C – 85°C Terabytes Written (TBW) 150 300 600 1200 Mean Time Between Failure (MTBF) Up to 1,500,000 Hours Limited Warranty 5 Years, or the coverage for the maximum TBW as stated, whichever comes first. Advanced Features TRIM (Performance Optimization, OS support required) SMART (Self-Monitoring, Analysis and Reporting Technology) LDPC (Low Density Parity Check) ECC Algorithm End to End Data Path Protection APST (Autonomous Power State Transition) Pyrite (Encryption, Data Security)