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Which Compact Flash card?

macmasseymacmassey Registered Users Posts: 65 Big grins
edited June 25, 2012 in Accessories
I have a Canon 40D. I have always used Sandisk Extreme III 4 GB Compact Flash cards that say 30 MB/s and currently have 3 of them. I love them and have never had a problem. Now I want to buy 3 more but I notice the 4 GB cards now have 40 MB/s on them. Are those still ok to use in my 40D?
:D macmassey
http://davemasseyphotography.com

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    ziggy53ziggy53 Super Moderators Posts: 23,848 moderator
    edited June 23, 2012
    Most of the current compact flash (CF) cards use UDMA technology to speed transfers. The Canon 40D is not UDMA enabled, so many of the latest Cf cards with UDMA are 'slower' than some of the older non-UDMA cards. While the cards may be slower in the camera, if you have a UDMA card reader, you may still benefit from using that to transfer the files into your computer.

    Rob Galbraith has deleted the links from his older camera and card tests, including the 40D card tests, but the results are still available via the Internet Archives "Wayback" project:

    http://web.archive.org/web/20090413115027/http://www.robgalbraith.com/bins/camera_multi_page.asp?cid=6007-9257

    Transcend 133x and 266x CompactFlash appear to be UDMA mode 4 cards that still work well with the 40D and should provide good speed as well as good value, for instance.

    http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&DEPA=0&Order=BESTMATCH&N=-1&isNodeId=1&Description=Transcend+133x&x=0&y=0
    ziggy53
    Moderator of the Cameras and Accessories forums
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    Art ScottArt Scott Registered Users Posts: 8,959 Major grins
    edited June 24, 2012
    I have used most brands out there early on in my switch from film to digital....and have spent the last several years using only Transcend cards...I have never had one to corrupt or fail on me... ... ... and I know it is not a matter of if...but when...at this time I have a total of 16 cards ranging from 80X to 600x and all working like champs ... ... ... and I also have really great card recovery programs on stand by at all times......
    "Genuine Fractals was, is and will always be the best solution for enlarging digital photos." ....Vincent Versace ... ... COPYRIGHT YOUR WORK ONLINE ... ... My Website

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    macmasseymacmassey Registered Users Posts: 65 Big grins
    edited June 24, 2012
    Which Compact Flash Card
    Thank you both for your thoughts on this. This is why I enjoy this forum so much, getting ideas from folks who have been doing this a lot longer than I have!
    :D macmassey
    http://davemasseyphotography.com
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    VayCayMomVayCayMom Registered Users Posts: 1,870 Major grins
    edited June 24, 2012
    I use SanDisk only now. Bought 3 Lexar 3 years ago and 2 out of 3 failed within 3 months of purchase.
    Trudy
    www.CottageInk.smugmug.com

    NIKON D700
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    lightyearlightyear Registered Users Posts: 185 Major grins
    edited June 25, 2012
    CF cards
    I use various Sandisk, purchased at different times (Ulltra, Ultra II, Extreme). 2-4-8 GB . All work well. I had one Lexar unit fail, and their customer service did nothing.
    Stan
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