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Crippled Hard drive sizes?!?

post #1 of 17
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I bought a 640GB hard drive. Hard drive companies calculate the size of hard drives by using 1000byte^3 to calculate gigabytes rather than the conventional 1024byte^3. I should be "missing" ~8.9GB of space for a total of 631.1GB of unformatted space.

But my 640GB hard drive apparently only had 610GB of unformatted space. When formatting it as an ntfs, it left me with 596GB of space, which was to be expected given the role of file system formatting.

But I'm confused... I have 20GB of space unaccounted for. Is my math wrong? Should I complain to the company?
Edited by version2 - 6/12/08 at 7:33pm
post #2 of 17
Sounds about right. Next time do this, multiply the number of gigabytes advertised (640) by .072 and it will tell you how many gigabytes you will lose. 640 X .072 = 46.08 so 640 - 46.08 = 593.92

I have a 250GB hard drive and 250 X .072 = 18 which leaves me with 232GB which is exactly what my computer says.
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post #3 of 17
Yeah hard drive companies are shifty like that. Seagate advertises at proper size with their raptors tho, so instead of 80 they say 74 and so on. This is a practice that I think all HDD companies should adopt but I doubt it will ever happen.
post #4 of 17
Quote:
Originally Posted by GANDALFtheGREY View Post
Yeah hard drive companies are shifty like that. Seagate advertises at proper size with their raptors tho, so instead of 80 they say 74 and so on. This is a practice that I think all HDD companies should adopt but I doubt it will ever happen.
I think you mean Western Digital.

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post #5 of 17
Quote:
Originally Posted by GANDALFtheGREY View Post
Yeah hard drive companies are shifty like that. Seagate advertises at proper size with their raptors tho, so instead of 80 they say 74 and so on. This is a practice that I think all HDD companies should adopt but I doubt it will ever happen.
HUH...WAY OFF!!

I have three WD (BTW) 74gb raptors....I get around 69gb of space each.

There are different version of raptors. 80gb and 74gb, and also 160gb and 150gb...

The 80gb raptors..will see about 74ish..while the 74gb raptors will see about 69ish..

EVERY company does this and we all know this...so why complain?

If you want to complain, then you will have a list of HD manufacturers to call.
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post #6 of 17
Don't forget part of the drive is used for indexing/filesystem. Not sure if that's where the extra space goes, but it might.
post #7 of 17
Quote:
Originally Posted by crazcookye View Post
HUH...WAY OFF!!

I have three WD (BTW) 74gb raptors....I get around 69gb of space each.

There are different version of raptors. 80gb and 74gb, and also 160gb and 150gb...

The 80gb raptors..will see about 74ish..while the 74gb raptors will see about 69ish..

EVERY company does this and we all know this...so why complain?

If you want to complain, then you will have a list of HD manufacturers to call.
There aren't any 80GB raptors - and your incident ONLY includes after FS formatting. Same thing with HD diskettes - they're 2 MB's by normal, but they get down to 1.44 after formatting.
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post #8 of 17
Quote:
Originally Posted by gonX View Post
There aren't any 80GB raptors - and your incident ONLY includes after FS formatting. Same thing with HD diskettes - they're 2 MB's by normal, but they get down to 1.44 after formatting.
http://www.tigerdirect.com/applicati...676&CatId=2456
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post #9 of 17
psh who uses floppy drives anymore? btw that would be cool to have an old school 5 1/4 floppy drive...
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post #10 of 17
Quote:
Originally Posted by gonX View Post
There aren't any 80GB raptors - and your incident ONLY includes after FS formatting. Same thing with HD diskettes - they're 2 MB's by normal, but they get down to 1.44 after formatting.
OH lord....If you don't own or know anything about raptors...then don't comment about them.

Again, WD made 160, 150, 80, 74, 36 and now 300gb raptors....

They have DIFFERENT capacities...period!

Why don't do you do yourself a favor and just go on ebay and type in raptor 160, 150, 74, 36.
Matter of fact, Newegg even sells all those raptors.
Edited by crazcookye - 6/13/08 at 1:52am
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