Sony MSX-512S Memory Stick PRO Flash Media (512MB) (Retail Package) 512 MB maximum storage capacity (460 MB available to users) Minimum write speeds of 15 Mbps on Memory Stick PRO-enabled devices optimized with a 4-pin parallel interface Increased durability with an operating temperature range of -13 to 185 degrees F Ideal for digital photography and compact video; incredibly compact design is slightly smaller than a stick of gum Backwards compatible with Memory Stick PR media enabled devices