Lexar® Professional NM1090 PRO PCIe 5.0 NVMe M.2 2280 SSD Interface: PCIe Gen 5x4 Speed: 1TB: Sequential read speed up to 14,000MB/s1, sequential write speed up to 10,000MB/s1, random read up to 1650K IOPs, random write up to 1800K IOPs 2TB: Sequential read speed up to 14,000MB/s1, sequential write speed up to 13,000MB/s1, random read up to 2100K IOPs, random write up to 1800K IOPs 4TB: Sequential read speed up to 14,000MB/s1, sequential write speed up to 13,000MB/s1, random read up to 2100K IOPs, random write up to 1700K IOPs Dram Capacity 1TB: 2GB, 2TB: 2GB, 4TB: 4GB Operating Temperature: 0° to 70° C (32°F to 158°F) Storage Temperature: -40° to 85° C (-40°F to 185°F) Shock Resistant: 1500G, duration 0.5ms, Half Sine Wave Vibration Resistant: 10~2000Hz, 1.5mm, 20G, 1Oct/min, 30min/axis (X,Y,Z) TBW: 1TB: 700TBW, 2TB: 1400TBW, 4TB: 2800TBW MTBF: 1,500,000 Hours Dimension (W x L x H) : 1TB-2TB：80 x 22 x 3.6 mm (3.15” x 0.87” x 0.14”) 4TB: 80 x 22 x 3.9 mm (3.15” x 0.87” x 0.15”) Weight 1TB-2TB：8g / 0.017lbs 4TB: 8.5g / 0.019 lbs