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Sony Memory Stick PRO

Sony Memory Stick PRO™ 2GB Flash Memory Card Artwork (shown without casing)

Memory Stick is a removable flash memory card format, originally launched by Sony in October 1998, and is also used as a generic term to describe the whole family of Memory Sticks. This family includes the Memory Stick Pro, a revision that allows greater maximum storage capacity and faster file transfer speeds; Memory Stick Duo, a small-form-factor version of the Memory Stick (including the Pro Duo); and the even smaller Memory Stick Micro (M2).

In December 2006 Sony added the Memory Stick Pro-HG, a high speed variant of the Pro, to be used for high definition still and video cameras. The original memory stick was available in sizes up to 128 MB, and a sub-version, Memory Stick Select allowed two banks of 128 MB to be on the same card.

An 8GB Memory Stick Pro was unveiled at the 2006 Consumer Electronics Show in Las Vegas.
Sony have stated that the Memory Stick Pro has a maximum potential size of 32GB.