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Hard drive not running at 6Gb/s

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January 30, 2013 2:03:45 PM

Hello,

I recently bought a western digital 1TB 6 Gb/s hard drive and it shows that it's running at 1.5 Gb/s under Intel Rapid Storage. What can I do to make the hard drive run at max speed?

Thanks :) 

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a c 523 G Storage
January 30, 2013 2:12:11 PM

Hard drives can be SATA 6Gb/s compatible, not 6Gb/s capable.

No hard drive can spin fast enough to achieve SATA 6Gb/s speeds.

Your drive has a buffer (16MB, or 32MB, or 64MB) which briefly transfers data at 6Gb/ speeds, but that's it.

What's the model of your drive?
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January 30, 2013 2:15:26 PM

Dereck47 said:
Hard drives can be SATA 6Gb/s compatible, not 6Gb/s capable.

No hard drive can spin fast enough to achieve SATA 6Gb/s speeds.

Your drive has a buffer (16MB, or 32MB, or 64MB) which briefly transfers data at 6Gb/ speeds, but that's it.

What the model of your drive?


It's the WD1002FAEX drive. I have it hooked up to a SATA 6Gb/s port.
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a c 523 G Storage
January 30, 2013 2:18:27 PM

That drive has maximum Read/Write speeds of 126MB/s, which is SATA 1 (1.5Gb/s) speeds.

Here's the link to the spec sheet of your drive: http://www.wdc.com/wdproducts/library/SpecSheet/ENG/287...
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January 30, 2013 2:22:28 PM

Dereck47 said:
That drive has maximum Read/Write speeds of 126MB/s, which is SATA 1 (1.5Gb/s) speeds.

Here's the link to the spec sheet of your drive: http://www.wdc.com/wdproducts/library/SpecSheet/ENG/287...


Thanks for the info. Is this speed average compared to other similar drives? (Not including those WD drives)
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a c 523 G Storage
January 30, 2013 2:26:57 PM

Yes, it is. Some faster HDDs (like the Seagate Barracuda) can get up to 210MB/s, which is in the SATA 2 (3Gb/s) speed range.
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January 30, 2013 2:28:41 PM

Best answer selected by zackb101.
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January 30, 2013 2:28:46 PM

Dereck47 said:
Yes, it is. Some faster HDDs (like the Seagate Barracuda) can get up to 210MB/s, which is in the SATA 2 (3Gb/s) speed range.


Thanks for your help. What is the point in 6Gb compatibility if it doesn't come close... I have a lot to learn regarding hard drives.
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a c 523 G Storage
January 30, 2013 2:33:26 PM

zackb101 said:
What is the point in 6Gb compatibility if it doesn't come close... I have a lot to learn regarding hard drives.


:)  It's mainly Marketing. :) 
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