Securedigital sd sdxc card memory size 64 gb read speed 90 mbs bus interface uhs i mode of transmission uhs104 file format exfat operating voltage 2 7 3 6 v series pny turbo performance suitable for 4k recording 3d recording full hd recording sports photography device class macbook dslr digital camera printer camcorder labeling field functions write protection switch manufacturers warranty 5 years standard sd 301 sdhc class 10 uhs speed c