Micro sd card micro sdxc card memory size 128 gb read speed 275 mbs write speed 100 mbs bus interface uhs ii mode of transmission uhs312 file format exfat operating voltage 2 7 3 6 v series sandisk extreme pro suitable for 3d recording 4k recording sports photography full hd recording 360 recording device class digital camera dslr camcorder computer tablet pc mobile phone printer macbook standard sd 410 sdhc class 10 uhs speed class u3 a