Thursday, April 14, 2011

Memory card sizes

There are two memory card sizes:

Capacity is expressed in gigabytes (GB = gigabyte)
The rate is expressed in Mb / s (Mb / s = megabyte per second)
Currently, the smallest capacity of 2GB SD cards are SDHC 4GB
SDXC cards are still quite expensive and there is absolutely no need for users of simple compact cameras.

Older cameras can not use SDHC cards and SDXC
Older models require an Olympus xD cards
Older models of Sony cameras require a card called Memory Stick Duo

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