SSD series 990 PRO with Heatsink , 1 TB , M.2 , PCI Express 4.0 , NVMe Yes , 2.0 , Component for PC , M.2 SSD size 2280 (22 x 80 mm) , Write speed 6900 MB/s , Read speed 7450 MB/s , Mean time between failures (MTBF) 1500000 h , Weight 28 g , Package type Hanging box , Operating temperature (T-T) 0 - 70 °C