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WD Caviar Blue Only Using 465GB out of 500GB????

post #1 of 23
Thread Starter 
Hi all again, I have a WD caviar blue 500GB harddrive that i bought off newegg. I realize today, that it only lets me use 465GB! i mean, i understand if its 495GB, but this is 30GB less than that! what am i missing? I have a partition on it that spans the "whole" disk, but it only reads 465GB! i cant expand the partition either, and linux has a probllem resizing my NTFS partition as well. (im looking under computer management> Disk management) Here, i'll do a screen shot of the windows:

I do not get what's wrong. Is this a factory defect, or was this disk used for many years? I dont know what's wrong! Any help is appreciated, and i would love to hear from people knowing how to get my 30GB back. Thanks in advance.
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post #2 of 23
All drives do that. When you format a drive, you loose some of it's capacity. How much you loose depends on what formatting type you use (NTFS, FTA32, etc...) and on the drive itself. 465GB for a 500GB hard drive is perfectly normal; that's that I get on mine too.

TL;DR You can't get the 30Gb "Back". that's just how it is, how it has been, and how it will be with hard drives.
     
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post #3 of 23
The answer to this question is all over the internet. HD makers use the formula that 1000mb=1gb when the windows OS uses 1024mb=1gb. So right off the bat some space is lost in that essence.

On top of that, the file system uses a portion for indexing.

It is common knowledge that when you buy a hard drive, you are going to get less than you pay for. Look at every other drive you own. A 250gb usually equals 232, a 120gb usually is 111gb and so on....
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post #4 of 23
Thread Starter 
Really? what if i format it to FAT32? would i then get 495GB? i really want all i can get out of this drive. I know that another computer of mine has a 500GB hard drive, and it gets about 490+ GB. this doesnt really make sense.
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post #5 of 23
This is just due to the difference between decimal versus binary scale when reporting capacity.
Edited by Faraz - 4/25/11 at 12:01pm
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post #6 of 23
Quote:
Originally Posted by jtc10512 View Post
Really? what if i format it to FAT32? would i then get 495GB? i really want all i can get out of this drive. I know that another computer of mine has a 500GB hard drive, and it gets about 490+ GB. this doesnt really make sense.
This is how HDDs have been for the last 30+ years.... this is completely normal.

There is no way a 500GB hard drive gets 490+ GiB.


http://en.wikipedia.org/wiki/Gibibyte
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Once again...
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post #7 of 23
Quote:
Originally Posted by corky dorkelson View Post
The answer to this question is all over the internet. HD makers use the formula that 1000mb=1gb when the windows OS uses 1024mb=1gb. So right off the bat some space is lost in that essence.

On top of that, the file system uses a portion for indexing.

It is common knowledge that when you buy a hard drive, you are going to get less than you pay for. Look at every other drive you own. A 250gb usually equals 232, a 120gb usually is 111gb and so on....
This.

Hard Drive manufacturers use the decimal system to count hard drive capacity. I just learned this yesterday
post #8 of 23
Thread Starter 
ok, so when i fill it up, it will equal about 490GB or so?


EDIT: gah. cant type as fast as the replies come. so, it is basically about 500GB, windows just thinks is 465?
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post #9 of 23
It's alright, I've lost 190GB on my 2TB drive from this. It's just the different ways of reporting a Giga/Terabyte, as said above.
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post #10 of 23
Windows is technically using the wrong label. Your 500 GB (decimal) is equal to approx. 465 GiB (binary). You aren't losing any space; Windows is just reporting it under a different scale.
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