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Lighting a Fire Under Hard Drives

post #1 of 11
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Quote:
In the race to make computers more powerful, magnets may be out and lasers may be in. Ultra-rapid pulses of polarized light fired from lasers, new tests show, can outperform conventional magnetic data writers by as much as two orders of magnitude. The technology could form the foundation of a new generation of computers that link lasers to their hard drives.

Long gone are the days when computers were required only to make mathematical calculations. Even modest desktop models are now expected to handle streaming audio and video from multiple Web sites simultaneously, for example. Those functions require huge amounts of data to be transferred quickly to and from the hard drive. But current data-processing systems, which use magnets to write and read the binary code that constitutes computer language, can only work so fast. Some users' needs have begun to bump up against the limitations of this technology. If computers are to become faster, they'll require a different data-transfer system, and the awesome promise of quantum computing remains years away....
http://sciencenow.sciencemag.org/cgi...ull/2007/628/3
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|Jolly Roger|
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post #2 of 11
Nice, it's like the doing with Blu-ray and stuff. Capacity will skyrocket.
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post #3 of 11
Isn't this kinda pointless now? Or does this compete with solid state drives with either performance or price wise? (most likely price, I would think. Same concept, just replacing one for another 'better link in the chain' )

Edit: Reread and saw that it is 100x's as fast, but the 1's and 0's are physically bigger on the disk. Less space but faster times then?
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post #4 of 11
i've herd about this type of tech before... very promising!! Im not sure of the data speeds compared to solid state flash drives designed fro hard disk replacement....

I bet that iram thing from gigabyte smokes it....
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post #5 of 11
Quote:
Originally Posted by shajbot View Post
Nice, it's like the doing with Blu-ray and stuff. Capacity will skyrocket.
But what of price?
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post #6 of 11
Probably less than SSD anyway.
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post #7 of 11
Nice, that's like. no lag at all!
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post #8 of 11
Quote:
Originally Posted by Tyrker View Post
Isn't this kinda pointless now? Or does this compete with solid state drives with either performance or price wise?
Good point.

I know for one that they cant beat SSDs...
I mean, SSDs are basically large RAM modules .

And seeing that these devices (apparantly) will still have heads - but just use magnetism instead of lasers...
That would be (assuming my assumptions are right ) that there would still be MOVING components in the drive..

Which is to date - why Hardrives are the slowest components in modern computers.
133MHZpow
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post #9 of 11
Quote:
Originally Posted by Grim View Post
Good point.

I know for one that they cant beat SSDs...
I mean, SSDs are basically large RAM modules .

And seeing that these devices (apparantly) will still have heads - but just use magnetism instead of lasers...
That would be (assuming my assumptions are right ) that there would still be MOVING components in the drive..

Which is to date - why Hardrives are the slowest components in modern computers.
Not necessarily. RAM module memory chips lose data when there is no current through the chip. SDDs memory chips can hold charge, therefore data can reserve without current.
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post #10 of 11
Current SSD based on Flash technology cannot beat current hard drives. I believe the ones being sold get 50-60MB/s while good HDs can do 70-130MB/s
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