Securedigital sd sdxc card memory size 128 gb read speed 80 mbs bus interface uhs i mode of transmission uhs104 file format exfat operating voltage 2 7 3 6 v series integral ultimapro suitable for full hd recording device class macbook dslr digital camera printer camcorder functions write protection switch manufacturers warranty 5 years standard sd 301 sdhc class 10 uhs speed class u1 adapter without adapter dimensions 32mm x 24mm x 21