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Thread: UDMA or not UDMA for a 40D or 50D?

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  1. #1
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    UDMA or not UDMA for a 40D or 50D?



    I was about to buy some SanDisk Extreme III 8GB CF cards, but the ones I went in for are apparently discontinued. The new SanDisk Extreme 8GB cards are UDMA-5 compliant, but does that mean they won't work in a 40D or a <span style="text-decoration: line-through;"]50D, since those bodies aren't UDMA, or does it just mean they won't reach their maximum speed potential?


    Also, it occurred to me that SanDisk has rebates at times, and I wondered if that may be happening again soon. Last time, buying multiples just about gave you a free card, and I am looking at getting several.


    EDIT: Apparently the 50D is UDMA compliant. So the question is more for the 40D at the moment.

  2. #2
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    Re: UDMA or not UDMA for a 40D or 50D?



    I think there may be a little benefit for the 40D not sure though. If you have a UDMA card reader it will make a difference when you transfer files. If you have a Mac and firewire 800 the Lexar FW800 UDMA card reader is ridiculously fast.

  3. #3
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    Re: UDMA or not UDMA for a 40D or 50D?



    I'm not so worried about benefits, I just want to make sure I don't buy a card which is incompatible with my camera. Does the 40D work at all with UDMA cards? That's the question. If so, I don't care if they are "all they can be" for now, if the price is right.


    Also, the rebates. Are they soon, like February or March? If not, I may jump in now.

  4. #4
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    Re: UDMA or not UDMA for a 40D or 50D?



    I just put my UDMA card in my 40D and shot off a few shots and transferred them. Everything seemed to be fine. My card is a 300X UDMA whatever version that would be.

  5. #5
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    Re: UDMA or not UDMA for a 40D or 50D?



    Awesome! Thanks for the field report. Now, about those rebates.... []

  6. #6
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    Re: UDMA or not UDMA for a 40D or 50D?



    Not sure about the rebates.

  7. #7
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    Re: UDMA or not UDMA for a 40D or 50D?



    I always use UDMA flash cards. They are compatible with all camerasthat use CF.





    They do not save files faster on a 40D, but really downlooad to my PS faster using a UDMA firewire reader. I haveboth lexar and a sandisk firewire 800 readers, they are equally fast. I did have to purchase firewire 800 cards for my pc's.


    Newer cameras are UDMA enabled, so images write faster as well.

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