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Storage Card Forum Talk about CF, SD, and Microdrives. What's good, what's bad? - No Ads

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Old 11-19-04, 04:42 PM   #1 (permalink)
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Mad 512mb = 483.56 Mb????

May be a dumb question but why is my 512 MB Sandisk SD card only have 482.56 MB as total available space? What happened to almost 30 MB?
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Old 11-19-04, 04:50 PM   #2 (permalink)
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Manufacturer: 1MB = 1,000,000 bytes
Computer: 1KB =1024 bytes, 1MB = 1KB x 1KB = 1,048,576 bytes
512,000,000/1,048,576= 488.28125
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Old 11-19-04, 05:17 PM   #3 (permalink)
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What Ike said, and it's not much different for standard PC harddrives.. they come quite a bit closer - but still "not" exactly as advertised.

But imagine trying to put 486.xxxx on the front of those tiny cards ;)
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Old 11-19-04, 05:56 PM   #4 (permalink)
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Thanx guys I figuared as much...but thought it would be a lot closer...could really use those 30MB ;)
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Old 11-19-04, 07:13 PM   #5 (permalink)
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Dont forget too that SD cards reserve a section for the "secure" aspect of the card...that also takes away from the total amount of memory.
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Old 11-20-04, 12:17 AM   #6 (permalink)
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Very true. You never get the advertised amount.
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