SanDisk's 4 GB MemoryStick Pro Duo Ultra II card is the exceptional, unbeatable best in class solution for high profile professional photographers. As the elite flash memory card available on the market, Ultra II has very fast read/write speeds. This line provides the durability and high speed quality demanded by the serious photographer.This card features 15 MB/s read/write speed.

·                     Ideal for serious amateurs and professional photographers

·                     15 MB/s Read/write speed

·                     Guaranteed compatibility with all Sony Memory Stick PRO devices

·                     Temperature tested 13 to 185 degrees F.

·                     Backed by a lifetime warranty