Securedigital sd sdxc card memory size 128 gb read speed 95 mbs write speed 60 mbs bus interface uhs i file format exfat operating voltage 2 7 3 6 v series integral ultimapro x suitable for 360 recording sports photography full hd recording 3d recording 4k recording device class macbook dslr digital camera camcorder printer functions write protection switch manufacturers warranty 5 years standard sd 301 sdhc class 10 uhs speed class u3