Memory cards: All your questions answered

By Randolph Ramsay on 27 February 2009

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SD or MMC? Micro or Duo? When it comes to memory cards, it's easy to become confused thanks to all of the different types and variations available.

With memory cards now fitting into everything from digital cameras and camcorders to mobile phones, televisions and printers, knowing your way around the memory card maze is becoming ever more crucial.

After all, memory cards are the storage medium of choice for almost all of our digital media - everything from photos, music, movies, game saves and much more are being kept on these tiny devices. Knowing what type of memory card is right for you (and your particular devices) is becoming vitally important, and this is where CNET.com.au can help.

Check out the stories in this special feature to learn everything you need to know about memory cards, including a detailed breakdown of the different types of cards available, the average number of photos and songs you can store on various card capacities, and things to remember when buying a new memory card.

Topics: storage, xd, formats, mmc, duo, sd, pro, media, flash, memory, sdhc, cf, compactflash, memory stick

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Comments (175)

  • Wombat01 commented on 04/11/2009 13:45 Report abuse

    I have a Fujifilm A900 camera. I would like to use an SD card to increase the capacity. Specifications say up to 2Gb but on Fujifilm site there is a firmware update that will allow SDHC to be used. However, there does not appear to be any indication of the maximum size limit.
    Just how big a SDHC card can I use?

  • photo chick commented on 04/10/2009 15:50 Report abuse

    I have an Olympus fe 280. Can I transfer pictures on my x-D picture card onto another x-D picture card. Just trying to keep all the same phots on each card for each trip.

  • Holly commented on 03/09/2009 04:14 Report abuse

    I have placed my memory card into my pc but nothings popped up!

  • Ginny commented on 02/09/2009 12:18 Report abuse

    a friend tried to insert my sony memory stick into his converter to transfer pictures, but the stick bent. how can i retrieve my photos from the damaged memory stick?

  • ptrckv@yahoo.com commented on 24/08/2009 10:40 Report abuse

    I have a memory stick duo pro and the adapter but my computer doesn't have a slot plz help me. If possible send me steps and help and also email me. thanks!!

  • Ned commented on 21/08/2009 20:20 Report abuse

    I have same problem as Connie - I have always been able to take my SD cards from the camera and stick in the laptop to download. I bought a new SanDisk 2GB card and stuck it into a friend's laptop to download and all went well but then when I tried it in mine it does not register anything. Has putting it first into a Toshiba laptop somehow formatted it so my HP laptop does not recognise it? Very frustrating to have to find cables etc to download from camera rather than just card. Help please.

  • JimP commented on 11/08/2009 02:27 Report abuse

    My new SD card works and records on my new camera, but the images do not show up or download to my computer or show up in another camera. The lock button is not on and the images are not protected on the camera. Please help.

  • Johnny Bravo commented on 29/07/2009 00:53 Report abuse

    Please help! I have an SD card that I have been shooting on, however when I now put it into my camera it says that the card is not formatted, and when I try with a card reader into my laptop there is no info. I have tried some of the free recovery software to no avail; anybody have any suggestions?

  • Connie commented on 26/07/2009 00:22 Report abuse

    I put my camera card in my hard drive and nothing pops up on my screen to upload. It used to. Anyone have any ideas on why?

  • Maxi commented on 22/07/2009 05:53 Report abuse

    I just bought a canon digital camera. I am really, really new at using the camera. My question is after using a memory card do you have to either downlod or print then, or can you replace that card with another one and take pictures. then later on place the 1st card back in the camera, and print at that time? Any other words can you store a memory card that pictures have been taken on without losing the pictures?

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