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Old Feb 24, 2004, 10:07 PM   #1
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Default Sandisk Ultra or Extreme Compact Flash?

I have been using six 340 mb IBM Microdrives and recently dropped a full one to the ground when attempting to replace it with an empty one and have not had much luck getting to the 130 images that are on the disk using the software that is available like Rescue Pro and Photo Rescue. I read on the Sandisk website that the 512 Ultra has an operating shock rating of 2,000Gs, equivalent to a 10 foot drop to the floor. The Sandisk Extreme CF shows nothing that I can find on their website pertaining to the operating shock ratiing. Anybody out their had any experience with the Sandisk Ultra or Extreme CF by dropping them to the floor or ground up 10 feet and still being able to get the images off the disk and then re-use it with out a problem?
Thanks for your feedback!
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Old Feb 24, 2004, 10:12 PM   #2
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Any CF card is going to be 100 times more shock resistant than a Microdrive. CF cards are solid state memory, Microdrives are tiny hard disk drives with moving platters and R/W heads. I've dropped plenty of CF cards and have never lost one yet... Believe it or not, one even went through the clothes washer in my pants pocket and it still worked too.

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Old Feb 25, 2004, 2:27 AM   #3
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Thanks Steve for your prompt reply.
Know anybody that wants 340 MD's cheap?
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Old Feb 25, 2004, 8:11 AM   #4
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Let's be pratical here. You can not wash a Microdrive and it will never be as reliable as a flash card, but for all intend and purpose, they are not your regular diskdrives either. In fact their manufacturers have carefully designed theses devices fully aware that they'll be used in portable application like PDA and MP3s where drops and bumps are daily occurences.

FYI their operating shock is only 175-200G, but then if you drop while they're running you are more likely to damage the camera. Outside the camera the Microdrives are also rated @ 2,000Gs for the newer 4G!

Also, just because you don't see errors in solid-state flashes do not mean they are not there. Flashes have fixed write cycles and there's always constant error detection/error correction as well as wear leveling algorithms running in the background of theses devices masking away theses imperfections... :P

... Bottom line is to use either format for whatever applications they are best fit for, but don't exclude one from the other. I have both! :lol: :lol: :lol:
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