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High speed memory cards
High speed memory cards capture digital images fast. The higher the speed rating, the faster a digital camera writes images to a card.
High speed cards are designated with a ratings such as 24X, 40X, 80X and more. They are also indicated by terms such as "ultra" and "pro." Besides fast write-time, these cards provide maximum performance when using a high-speed continuous (burst) mode or shooting high resolution videos.
As of this writing, the highest speed xD memory card is Type M+. It is available in high capacity cards.
High speed cards: not for every digital camera
Not all digital cameras benefit from the use of a high speed memory card. Using one with a speed rating faster than recommended by the manufacturer will not increase the speed in which images are processed. Still, some purchase high speed cards for other reasons:
- images transfer faster from camera to computer using a memory card reader
- may use the faster card in other electronic equipment
- plan to use the faster card with a future camera.
Check the camera manual, or contact the manufacturer, to determine the maximum speed card your camera takes.
