Securedigital sd sdxc card memory size 128 gb read speed 90 mbs write speed 45 mbs bus interface uhs i mode of transmission uhs104 file format exfat operating voltage 2 7 3 6 v series cnmemory ultra highspeed suitable for 360 recording sports photography full hd recording 3d recording 4k recording device class macbook dslr digital camera printer camcorder labeling field functions write protection switch manufacturers warranty 5 years stand