Lexar FMLSD-GOLD-256GB up to 280MB/s read, up to 180MB/s write 10, A1, V60, FUL

Lexar FMLSD-GOLD-256GB 256GB GOLD microSDXC UHS-II(U3), C10, A1, V60, FULL-HD & 4K Video, up to 280MB/s read, up to 180MB/s write Specifications Speed 256GB – up to 280MB/s read, up to 180MB/s write 128GB – up to 280MB/s read, up to 100MB/s write Operating Temperature -25°C to 85°C (-13°F to 185°F) Storage Temperature -40°C to 85°C (-40°F to 185°F) Dimension (L x W x H) 11 mm x 15 mm x 1 mm / 0.43' x 0.59' x 0.04' Warranty 10 year limited warranty