Micro sd card micro sdxc card memory size 64 gb read speed 90 mbs write speed 45 mbs bus interface uhs i mode of transmission uhs104 file format exfat operating voltage 27 36 v series patriot ep suitable for full hd recording 4k recording 3d recording 360 recording sports photography device class digital camera dslr camcorder computer tablet pc mobile phone printer macbook manufacturers warranty 5 years standard sd 30 sdhc class 10 uh