Lexar 256GB High-performance 4K 633x microSDHC microSDXC UHS-I Memory Card Capacity 256 GB Performance 256GBup to 100MB/s read, up to 30MB/s write Operating Temperature 0° to 70° C (32°F to 158°F) Storage Temperature -25° to 85° C (-13°F to 185°F) Dimension (W x L x H) 11mm x 15mm x 1 mm / 0.43” x 0.59” x 0.04” Warranty 10 year limited warranty Speed Class 256GB – Class 10, U3, V30, A1
