Lexar LNM620X256G-RNNNG 256GB M.2 2280 PCIe Gen3x4, read up to 3500MB/s, write up to 1300MB/s - High-speed PCIe Gen3x4 interface: Lexar 1TB SSD up to 3500MB/s read and 3000MB/s write - NVMe 1.4 supported. - Lexar internal SSD M.2 2280 form factor’s with 3D NAND. - Lexar solid state drive gets 6x the speed of a SATA-based SSD. - Lexar SSD’s ideal for PC enthusiasts and gamers. - Lexar internal solid state drive’s shock and vibration resistant with no moving parts. Specifications Form Factor M.2 2280 Interface PCIe Gen3x4 Operating Temperature 0°C to 70°C (32°F to 158°F) Storage Temperature -40°C to 85°C (-40°F to 185°F) Dimension (L x W x H) 80 mm x 22 mm x 2.25 mm / 3.15” x 0.87” x 0.09” Weight 9g Warranty 5 year limited warranty Shock Resistant 1500 G, duration 0.5ms, Half Sine Wave Vibration Resistant 10~2000Hz, 1.5mm, 20 G, 1 Oct/min, 30min/axis(X,Y,Z) TBW 2TB:1000, 1TB: 500TB, 512GB: 250TB, 256GB: 125TB DWPD 1TB: 0.44, 512GB: 0.44, 256GB: 0.44 NAND flash 3D TLC MTBF 1,500,000 Hours