Specifications - Form Factor: M.2 2280 M Key - Interface: PCIe 3.0 x4 NVMe - Capacity: 256 GB - MTBF: >1 000 000 hours - Sequential read: 3300 MB/s - Sequential write: 1300 MB/s - IOPS read: 100k - IOPS write: 100k - Endurance: 185 TB - Storage temperature: -45°C~95°C - Operating temperature: 0°C~70°C - Size: 80 x 22 x 2.3 mm - Weight: 6.5 g .