Securedigital sd sdxc card memory size 64 gb read speed 80 mbs write speed 60 mbs bus interface uhs i file format exfat operating voltage 27 36 v series sandisk extreme plus suitable for 360 recording sports photography full hd recording 3d recording 4k recording device class digital camera dslr camcorder computer car radio tv printer macbook labeling field functions write protection switch ecc software included rescuepro manufacturers