External Hard Drive Querie

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Robert the Bruce

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Don't know if I'm in the correct sub-forum. I just bought a 500GB external hard drive. Imagine my dismay when I hovered my mouse over the 'WD - Elements' (or external hard drive) icon only to discover that the Free Space was only 465GB and the same for the Total Size. Where is the missing 35GB ?
 
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You are not alone in your confusion, but what you are seeing is the difference between GB measured in Decimal and in Binary.

Lets take your RAM for example, you have 512MB, but say you double that to 1GB. Western Digital would say you have 1GB where Windows would read 1024MB...

More in depth info here:http://en.wikipedia.org/wiki/Gigabyte
 

DoubleHelix

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In addition to the space calculations, there's probably also some utilities on the drive.
 
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There's no missing space:
1 GB = 2^30 =1073741824
500,000,000,000/1073741824 = 465.6612873077392578125 GB
 
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