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SUITABLE CF AND SD CARD FOR D800

ericbowles

Atlanta, US
10631 posts

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"RE: SUITABLE CF AND SD CARD FOR D800"

ericbowles Moderator Awarded for his in-depth knowledge and high level skills in various areas, especially Landscape and Wildlife Photoghraphy Writer Ribbon awarded for for his article contributions to the community Donor Ribbon awarded for his very generous support to the Fundraising Campaign 2015 Nikonian since 25th Nov 2005
Tue 20-Mar-12 04:42 PM

It's probably splitting hairs , but that is read speed under specific test conditions - not write speed and not with cameras.

http://www.lexar.com/products/lexar-professional-1000x-compactflash-card?category=213

"Leverages UDMA 7 technology to provide industry-leading 1000x (150MB/s) minimum guaranteed sustained read transfer speed*
*Minimum 150MB/s read transfer, write speeds lower. Speeds based on TestMetrix certified tester. Actual sustained speed may vary depending on host device.

The CF Association has only recently released a specification for 120 MB/s speeds. While Lexar may promote a faster speed, it is more likely marketing spin and unlikely to materially impact performance.
http://compactflash.org/product-types/cf-cards/

"The CF 6.0 specification has just been introduced and these cards are expected to support up to 120 MB/s and these cards support the Sanitize command (the ultimate card refresh)."

But the CF Association does say:
"To get the most out of your CF card purchase, match or exceed the host (camera) capability with the CF storage card version. For camera use, both the write speed in camera and the read speed for later image processing should be considered."

What this means is unless your camera can also write at peak speeds, there is no advantage to a faster card.

It's interesting that Sandisk also has a new CF card. They promise 100 mb/s write speed with read speed being lower. Apparently they have tuned the CF card for maximum write speed which is probably more important for photography.
"Up to 100MB/sec write speed, read speed lower. Based on SanDisk internal testing: performance may be lower depending upon host device."
http://www.sandisk.com/microsites/compactflash/index.html#tab1

Again - you will run into the limit the of the camera's processor.

I woudl be perfectly comfortable with a top end card from Lexar or Sandisk. To save money, I would probably go with one cheaper iteration - for example the top end Sandisk Extreme over the Extreme Pro.

Eric Bowles
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A general, generic topic SUITABLE CF AND SD CARD FOR D800 [View all] , marccarl21 , Sun 18-Mar-12 09:19 PM
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