Securedigital sd sdxc card memory size 256 gb bus interface uhs i mode of transmission uhs104 file formats fat32 exfat operating voltage 2 7 3 6 v series verbatim premium device class macbook dslr digital camera printer camcorder functions write protection switch standard sd 301 sdhc class 10 uhs speed class u1 adapter without adapter protective properties shockproof temperature resistant waterproof dimensions 32mm x 24mm x 21mm weight 2