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Samsung stealthy intros 1TB hard drive - Page 3

post #21 of 38
Quote:
Originally Posted by cognoscenti View Post
Things are moving towards smaller platters but more of them.
The area of density on platters is increasing with technology.

Smaller platters spin up quicker,less drain on motor (or smaller motor needed)

Less room for the head to move compared to a large platter.

but if you have smaller platters you need more of them.
Platters are the same size in any 3.5" hard drive. They're not 'physically' smaller when they contain less data. The data density is simply lower.
    
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post #22 of 38
Quote:
Originally Posted by RickJS View Post
Woah I just learned a lot about hard drive today!

o.o

Nice for the storage but those seek times seem a little slow. Of course they're gonna be slow for the new tech though, so we'll see.

edit: i think that made sense...I'm really bad at explaining things.
Seek times won't change much. It is a physical limitation. The only real ways to improve seek time is higher rotational speeds (i.e. 10K Raptors) or increase data density (i.e. 7200.10). Faster rotational speeds allow the heads to reach the data faster from anywhere. Increase data density means the head has to move less to cover more data.
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post #23 of 38
What I would like to see is a larger raptor; in the 300 GB range with Sata II (3.0) support. You can get 2 500 GB drives for less money then 1 Terabyte.
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post #24 of 38
Quote:
Originally Posted by Robilar View Post
What I would like to see is a larger raptor; in the 300 GB range with Sata II (3.0) support. You can get 2 500 GB drives for less money then 1 Terabyte.
300GB Raptors should be possible since that could be a single platter. The SATA II support won't make a difference though (but probably will be included). The fastest current HD (15K Cheetah) can only do 132MB/s
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post #25 of 38
Quote:
Originally Posted by DuckieHo View Post
The 3.5" HD platter size hasn't ever changed.

It is only the number of platters and data density.
From the std back in the day of 5.25" to 3.5" that is still used today to the 1.8" 100gb we see produced now.
post #26 of 38
Quote:
Originally Posted by cognoscenti View Post
From the std back in the day of 5.25" to 3.5" that is still used today to the 1.8" 100gb we see produced now.
Those are different HD standards. The platter inside for each HD standard is the same though. Desktop computers use 3.5" HDs. The platter size inside 3.5" HDs has never changed. Laptops use 2.5" HDs. The platter size inside 2.5" HDs has never changed.
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post #27 of 38
Quote:
Originally Posted by DuckieHo View Post
Those are different HD standards. The platter inside for each HD standard is the same though. Desktop computers use 3.5" HDs. The platter size inside 3.5" HDs has never changed. Laptops use 2.5" HDs. The platter size inside 2.5" HDs has never changed.
Computers such as IBM PC/XT back in the early 1980s used 5.25"
post #28 of 38
Quote:
Things are moving towards smaller platters but more of them.
This is your original statement... This is what is untrue. The trend is to keep the standard HD size but to reduce the number of platters.
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post #29 of 38
BTW do you know how big a cheetah platter is?
post #30 of 38
Quote:
Originally Posted by DuckieHo View Post
This is your original statement... This is what is untrue. The trend is to keep the standard HD size but to reduce the number of platters.
Incorrect...the original std HD size as you mention was in fact 5.25" which was then reduced to todays sizes.
So physical drive sizes have been reduced from a form factor of 5.25" to 3.5"

Sorry I'm not bickering...honest.
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