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Hard Drive Size Question

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Name: BlackFlowerMaddie
Date: September 28, 2008 at 11:15:00 Pacific
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Comment:

Why do Manufacturers sell 200 GB hard drives as 200,000,000,009 bytes, which means we technically get 189 GB of HD Space? I mean can't they make the hard drive bytes to 214748364800 bytes so that we can GET the full 200 GB Hard Drive Space?

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Response Number 1
Name: OtheHill
Date: September 28, 2008 at 11:40:16 Pacific
Reply:

It is all about advertising. That plus trying to explain the byte, kb, mb, thing to the masses would be hard.


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Response Number 2
Name: BlackFlowerMaddie
Date: September 28, 2008 at 16:07:01 Pacific
Reply:

I believe thats wrong and I consider it 'cheating'.

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Response Number 3
Name: aegis
Date: September 28, 2008 at 17:22:33 Pacific
Reply:

When you buy a 200GB drive you are getting 200GBs of space. It is windows that is telling you the wrong number. :-)


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Response Number 4
Name: Dumbob
Date: September 28, 2008 at 18:02:41 Pacific
Reply:

Actually it's the other way-round. Windows reports Actual disk Space in GB.Binary

See the link for a better explanation.

http://tomorrowtimes.blogspot.com/2...

There is nothing to learn from someone who already agrees with you.


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Response Number 5
Name: pyrolitic
Date: September 28, 2008 at 18:05:05 Pacific
Reply:

Well, according to the metric system, a kilo equals 10^3, a mega equals 10^6, and a giga equals 10^9. That means 200 "gigadollars" is 200,000,000,000 dollars, 200 "gigamiles" is 200,000,000,000 miles, so why wouldn't 200 "gigabytes" be 200,000,000,000 bytes? Of course we know the computer industry a long time ago decided to call a kilobyte 1024 bytes and it goes on from there. But, officially, a company can sell 200 "gigasomethings" and all they have to provide is 200,000,000,000 of those "somethings". You really got 9 free bytes!


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Response Number 6
Name: DAVEINCAPS
Date: September 28, 2008 at 18:51:59 Pacific
Reply:

All the bytes are there. The computer just counts them differently:

http://www.computing.net/answers/ha...


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Response Number 7
Name: astroraptor
Date: September 29, 2008 at 10:30:39 Pacific
Reply:

I think that they do this so that you don't have companies running around claiming to have 201GB hard drives and thereby selling more for that reason alone. If the masses of computer ilitterate people saw this, then barely anyone would be getting ahead. If they round it off, then it's a standard and doesn't become a monopoly.


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Response Number 8
Name: BlackFlowerMaddie
Date: October 1, 2008 at 19:07:24 Pacific
Reply:

I still consider it cheating despite on the optimistic comments they have been getting for giving extra 9 KB of Space. If the Hard Drive manufacturers want to sell their hard drive as 200 GB, they must do it in the computer calculation, not the metric calculation, which means, they must sell their 200 GB hard drives as 214748364800 bytes, NOT 200000000000 bytes which eventually turns into 189 GB. They could get into a lawsuit situation for and I wonder who came up with this cheat advertising. I mean I can understand if the Hard Drive manufacturers did this by mistake, but they are still doing it and really, advertising the wrong number. Just because the technical specifications are the same as the advertised amount, the obvious is not and thats considered cheating.

How come Memory is sold as 1024 and 2048 and not 1000 and 2000 for 1 and 2 GB of Memory? The Memory Manufacturers sound more genuine than the Hard Drive manufacturers in my opinion.

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Response Number 9
Name: OtheHill
Date: October 1, 2008 at 19:30:34 Pacific
Reply:

One thing I could comment on before this thread dies.

There probably are 214GB of actual space on the drive. There are unused clusters that are in reserve so that if a cluster gets damaged it can be replaced with one of the spares.

You are correct in the false advertising area.

There are many more flagrant examples of false advertising on national TV.

How about car leases. Do the math here. $199 a month for 24 months with $1999 down.

The way I see that you are actually paying $282.29 a month, if you amortize the down payment. In my mind that is far worse than the drive manufacturers' claims.


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Response Number 10
Name: DAVEINCAPS
Date: October 1, 2008 at 21:26:20 Pacific
Reply:

I used to agree on the false advertising thing but the bytes are there. If one method of counting those bytes leaves the impression of less capacity I don't see that it's the manufacturer's fault. They are selling a raw unpartitioned, unformatted drive with a certain number of available bytes. That's all. But given how often this comes up, it'd be a good idea if they would provide both figures to avoid confusion.

For what it's worth, if you right click on the drive in 'my computer' and choose 'properties' you'll get both figures.

You make a good point on how RAM is spec'd in more 'user friendly' figures.


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