Micro sd card micro sdxc card memory size 64 gb read speed 80 mbs write speed 20 mbs bus interface uhs i mode of transmission uhs104 file format exfat operating voltage 2 7 3 6 v series samsung evo plus suitable for full hd recording device class digital camera dslr camcorder computer tablet pc mobile phone printer macbook manufacturers warranty 10 years standard sd 301 sdhc class 10 uhs speed class u1 adapter without adapter protectiv