SSD series NM620 , 256 GB , M.2 , PCI Express 3.0 , NVMe Yes , 1.4 , Component for PC/Laptop , Write speed 1300 MB/s , Read speed 3300 MB/s , Mean time between failures (MTBF) 1500000 h , 125xTBW rating , Weight 9 g , Operating temperature (T-T) 0 - 70 °C