Capacity 256GB Form Factor M.2 2280 NAND Flash 3D TLC Controller SMI Dimensions (L x W x H) 22 x 80 x 3.5 mm Weight 8g / 0.28oz Interface PCIe Gen3x4 Performance(Max) Read 3500MB/s , Write 2300MB/s Maximum 4K random read/write IOPS : up to 390K/380K Operating temperature 0°C - 70°C Storage temperature - 40°C - 85°C Shock resistance 1500G/0.5ms MTBF 2,000,000 hours