FMLSD-RNENG-512G Specifications Capacity 128GB / 256GB / 512GB Form Factor CFexpress Type B Interface PCIe Gen3x2 Performance up to 1900MB/s read, up to 1700MB/s write Operating Temperature -10°C~70°C (14°F~158°F) Storage Temperature -40℃ ~ 85℃（-40℉ ~ 185℉） Dimension (LxWxH) 29.60 mm x 38.50 mm x 3.80 mm / 1.16' x 1.51' x 0.14' Weight 7.65g / 0.016lbs Warranty Lifetime limited warranty ¹Up to 1900MB/s read transfer, write speeds lower. Speeds based on internal testing. Actual speed may vary depending on host device. ²Compatible with firmware-enabled CFexpress™ cameras. ³Limited lifetime warranty is limited to 10 years from purchase in Germany and regions not recognizing lifetime warranty. *Shock-resistant (1500G, duration 0.5ms, Half Sine Wave) and vibration-resistant (10~2000Hz, 1.5mm, 20G, 1 Oct/min, 30min/axis(X,Y,Z)). Based on internal testing. Actual performance may vary. Temperature-proof: Withstands operating temperature range from 14ºF (-10ºC) or 158ºF (70ºC) and non-operating temperatures from -13ºF (-40ºC) or 185ºF (85ºC). Warning: CFexpress™ Type B cards are only compatible with devices that support the CFexpress™ format. Highest transfer speed achieved only when used with a CFexpress™ Type B reader, indicated by a boxed USB logo on the product. Contact your device manufacturer for details. Lexar is not liable for any loss of data or images. Product appearance, performance, software offerings, and packaging may vary depending on ship date and available inventory. Actual usable memory capacity may vary. 1GB equals 1 billion bytes.