DESC: Maximize your digital file storage with the durable MSX-512S Memory Stick PRO media from Sony. Featuring 512 megabytes of storage space with 460 megabytes available and an expanded operating temperature range of -13° F to 185° Fahrenheit, you get all of the benefits of standard Memory Stick PRO media with increased durability. The MSX-512S is backwards compatible with most devices that use standard Memory Stick PRO media. Its compact design is slightly smaller than a stick of chewing gum, so it's incredibly compact and very easy to store. Its combination of storage size, durability and compatibility makes it the perfect complement to a new digital camera.