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hard drives

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by newjewellssss

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I have a couple questions about the hard drive installed on my computer. local disk c has 181 gig and local disk e has 5.28 gig. does this make it a 200 gig harddrive and if so how does a hard drive loose gigs? this is not the gigs left over this is actual size. or can a hard drive contain more gigs than what it says?

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by thechas

You will always find Windows showing a lower total drive size than the drive manufacture rates their drives for.

The reason is that the drive manufactures rate their drives in decimal bytes. 1000 bytes = 1 KB. While Windows tallys the size of a drive in binary bytes. 1024 bytes = 1 KB.

You did not notice this much when drives were small. But, with 1/2 and 1/4 Tera-Byte drives, that 24 bytes per 1000 adds up to be significant.

Chas

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