Securedigital sd sdxc card memory size 64 gb read speed 95 mbs write speed 85 mbs bus interface uhs i mode of transmission uhs104 file format exfat operating voltage 2 7 3 6 v series a data xpg suitable for 360 recording sports photography full hd recording 3d recording 4k recording device class macbook dslr digital camera printer camcorder functions write protection switch standard sd 30 sdhc class 10 uhs speed class u3 adapter witho