Securedigital sd sdhc card memory size 32 gb read speed 20 mbs write speed 20 mbs bus interface uhs i file format fat32 operating voltage 27 36 v series toshiba highspeed professional device class car radio macbook tv dslr digital camera camcorder computer printer sdhc class 10 adapter sd card adapter dimensions 32mm x 24mm x 21mm weight 2 g