Securedigital sd sdxc card memory size 128 gb read speed 90 mbs write speed 45 mbs bus interface uhs i file format exfat operating voltage 2 7 3 6 v series intenso professional suitable for 360 recording sports photography full hd recording 3d recording 4k recording device class macbook dslr digital camera computer camcorder printer functions write protection switch sdhc class 10 uhs speed class u1 dimensions 32mm x 24mm x 21mm weight 2