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JPJ

Toronto, CA
1327 posts

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"RE: CF card speed"

JPJ Silver Member Nikonian since 20th Aug 2009
Wed 03-Apr-13 11:21 PM

There is no CF card that moves 1000mb/second that I know of. I think the fastest, the 1000x cards are rated for 150-160 MB/s.

The 1000x designation is based on the CD-Rom standard in which the performance of CD-ROM drives are measured in 'x' increments. 1x refers to the sustained write speed capability of 150 kilobytes per second. 150 kb/s x 1000 = 150 mb/s. although I have heard that some of these cards, like the Lexar's have hit 160 mb/s in some devices.

This is not the case in the d700. Here is Rob Galbraith's database measuring CF card write speeds in the d700. The Lexar 1000x cards top the list at about 42 mb/s. Good old and frequently on sale Sandisk Extreme's are a very competitive 38 mb/s at a much better price.

http://www.robgalbraith.com/bins/camera_wb_multi_page.asp?cid=6007-9550

Jason

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A topic tagged as having a question CF card speed [View all] , petekam Silver Member , Wed 03-Apr-13 07:36 PM
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