Lexar Professional ARMOR GOLD 256GB SDXC™ UHS-II Card 256GB—C10, UHS-II(U3), V60, 6K, up to 280MB/s read, up to 205MB/s write, Stainless steel, Rated IP68, 5-meter drop proof Specifications Material Stainless steel Capacity 64GB, 128GB, 256GB, 512GB, 1TB Performance 64GB-128GB Up to 280MB/s read, up to 210MB/s write 256GB-1TB Up to 280MB/s read, up to 205MB/s write Form Factor UHS-II Video Speed Class V60 Operating Temperature -25°C to 85°C (-13°F to 185°F) Storage Temperature -40°C to 85°C (-40°F to 185°F) Dimensions (W x L x H) 32mm x 24mm x 2.1mm / 1.25' x 0.95' x 0.08' Weight 7.65g / 0.016lbs Warranty Limited lifetime warranty2 1 Up to 280MB/s read transfer, write speeds lower. Speeds based on internal testing. Actual speed may vary depending on host device. 2 Limited lifetime warr anty is limited to 10 years from purchase in Germany and regions not recognizing lifetime warranty. 370N Pressure Resistance IP68 Dust and Water Resistant 5-Meter Drop-Proof Temperature-Proof: Operation -25°to 85°C, Storage -40°C to 85°C Wear-out resistance: up to 10,000 times of plugging and unplugging 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.