Kingston sdc10g2 microsdhcmicrosdxc class 10 uhs i flash memory cards kingston sdc10g264gb this 64gb microsdxc class 10 uhs i card from kingston features class 10 uhs i speeds of 45mbs read and 10mbs write making it ideal for photographing everything from still images to active kids and pets it is also ideal for cinema quality hd 1080p video and reduces buffer time between shots when compared to a class 4 cardthe smallest sd card available microsdxc class 10 uhs i has become th