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CF card transfer rates

Posted May 9th, 2007 by Liveengineer

Hey guys,
Just wondering if all the newer CF cards work in the 1DmkII
ie-Sandisk Extreme III-20MB/Second
Sandisk Extreme IV-40MB/Second
and if they do work, do they write at the faster speeds or drop back to the 9MB/second of the type II card because of the age and software in the camera itself.

Cheers
Ricky

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Re: CF card transfer rates

On May 10th, 2007 Kalle Björklid says:

They'll work.

As for write speeds, see this: http://www.robgalbraith.com/bins/multi_page.asp?cid=6007-6896
(there's also another chart for the 'N'-version).

Re: CF card transfer rates

On May 10th, 2007 Liveengineer says:

Thanks Kalle, exactly what i was looking for ;D

Re: CF card transfer rates

On May 16th, 2007 Sansmeat says:

If the cameras are writing at between 6 and 9 MB/sec is there any reason, that I may be missing, to buy a 40Mb/sec card as opposed to the 20Mb/sec card?

Re: CF card transfer rates

On May 17th, 2007 Liveengineer says:

The only advantage i can see is how fast do u want to unload your images onto the computer via a card reader. ( i have never tried using the firewire or usb ports on the camera for transfering whole cards onto computer) so i don't know if there is a speed increase there.

Re: CF card transfer rates

On May 18th, 2007 Rene Damkot says:

Yep. You can DL a card twice as fast. Nice if you have 16Gb of data I'd imagine ;)

Re: CF card transfer rates

On June 18th, 2007 shooter-boy says:

I just bought some more Extreme III's, as the extra cost didn't reward itself.

If i could find a way to clear the camera buffer instantly... THERE would be something i would sell my grandmother (sorry gran) for.

Rob

Re: CF card transfer rates

On August 13th, 2007 rockstarimages says:

I don't know about canon but I know my nikon gear loves the extreme IV. I do notice a slight increase in continous shooting. I love the sandisk extreme series. They have never failed me.
anyway I have filled the buffer with an extreme III card. I have still to try with the extreme IV. And my guess would be that you will be needing the increased speed anyway sometime soon (with the next generation of camera anyway).