Description Kingston 250gb Nv2 M.2 Nvme Form factor : M.2 2280 Interface PCIe : 4.0 x4 NVMe Capacities : 250GB Sequential read/write : 250GB – 3,000/1,300MB/s Endurance (Total bytes written) : 250GB – 80TB Storage temperature : -40°C~85°C Operating temperature : 0°C~70°C Dimensions : 22mm x 80mm x 2.2mm Weight : 7g (all capacities) Vibration operating : 2.17G (7-800 Hz) Vibration non-operating : 20G (20-1000Hz) MTBF : 1,500,000 hours