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Old 7th Nov 2013, 10:18   #1
Gareth Halfacree
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HGST ships first 6TB helium-filled hard drives

2012's promise is the product of today.
http://www.bit-tech.net/news/hardwar.../07/hgst-he6/1
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Old 7th Nov 2013, 11:24   #2
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Atleast if the drive dies you suck in the helium and have a laugh :-)
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Old 7th Nov 2013, 11:58   #3
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Ib4 diminishing helium stocks...
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Old 7th Nov 2013, 13:23   #4
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I suspect the helium use for this product will be insignificant compares to others.
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Old 7th Nov 2013, 13:45   #5
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At least it's a meaningful use of helium
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Old 7th Nov 2013, 13:52   #6
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At least it's a meaningful use of helium
QFT. Balloons are great fun for kids but an utter waste.
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Old 7th Nov 2013, 16:44   #7
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although the drive itself is, oddly, some 50g lighter than the air-filled five-platter 4TB Ultrastar 7K4000 at 640g.
Seeing as the whole point is that helium is less dense than air, I don't see what's so odd about that, the reduction in density of the filling causes a greater reduction in mass than the increase caused by the additional two platters. That sounds quite plausible.
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Old 7th Nov 2013, 17:13   #8
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Except the volume of gas in a typical HDD probably doesn't even account for 1g, my guess is it would be due to the reduction in the size of the motor along with the associated mechanics.
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Old 7th Nov 2013, 17:19   #9
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Originally Posted by PCBuilderSven View Post
Seeing as the whole point is that helium is less dense than air, I don't see what's so odd about that, the reduction in density of the filling causes a greater reduction in mass than the increase caused by the additional two platters. That sounds quite plausible.
Except the maths doesn't work out at all for that. Given that 50g of air itself takes up 38l or so of space (at 0C and sea level), whereas an HDD's total volume (as in measured from the enclosure) is around 0.393l, replacing the air with helium wouldn't account for that. They simply made some weight saving changes elsewhere.

EDIT: In fact, to save 50g on switching air with helium, you would have to swap approximately 46l of air with the same volume of helium.
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Old 7th Nov 2013, 17:44   #10
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If you can keep the helium in, why not just run it under vacuum?
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Old 7th Nov 2013, 17:48   #11
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If you can keep the helium in, why not just run it under vacuum?
I believe that's something to do with how the arm of the HDD itself rides on a small cushion of air so as not to scratch the platter.
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Old 7th Nov 2013, 19:00   #12
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8 of these in RAID is a start.

I'm ordering 20 of them as we speak.

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Old 7th Nov 2013, 22:20   #13
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8 of these in RAID is a start.

I'm ordering 20 of them as we speak.

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So what are you paying for them?
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7stac, hamr, he6, helioseal, helium, hgst, mechanical hard drive, mechanical storage, sas, sata, western digital

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