Memory card symbols explained – how to understand the info on your new card

Memory card symbols explained – how to understand the symbols on your new card

Many of us have unwrapped our presents on Christmas morning and torn the paper off a shiny new memory card – but just as many will be wondering, just what do all those symbols mean?

Whether it's an SD or CompactFlash or, if you're very lucky, an XQD or CFexpress, your memory card will feature information in the form of numbers and symbols that can be hard to understand – even for professionals who use them all the time.

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Matt Golowczynski

The former editor of Digital Camera World, "Matt G" has spent the bulk of his career working in or reporting on the photographic industry. For two and a half years he worked in the trade side of the business with Jessops and Wex, serving as content marketing manager for the latter. 

Switching streams he also spent five years as a journalist, where he served as technical writer and technical editor for What Digital Camera before joining DCW, taking on assignments as a freelance writer and photographer in his own right. He currently works for SmartFrame, a specialist in image-streaming technology and protection.