The original xD cards were available with capacities from 16 MB to 512 MB. The type M card was introduced in early 2005 and offered capacities up to 2 GB, but was slower than the original. Type H was introduced later in 2005 and was much faster than type M, but was discontinued in 2008 due to higher production costs.
Type H was replaced with M+ in 2008, and this was available in 1 GB and 2 GB capacities only.
Due to it’s higher-cost, lower speed and limited use apart from digital cameras, xD was not as successful as formats such Secure Digital.
By 2010, Olympus cameras all offered Secure Digital or Compact Flash slots, and xD was effectively obsolete.
Sources / Resources
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