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Discussion on Article:
Helium-Filled Hard Drives Could Lift Western Digital in Enterprise Market.
In enterprise today, outright speed is not priority, power budgets and procurement budgets take importance.
iT IS RISKY with Helium . If your HDD gets damaged a bit, how would you recover your data ? Helium have to be kept tightened there
If there is a helium leak and if its getting contaminated by outside air, the heat generation goes up along with power consumption by servo to do the same workloads.
That will be the cue for removal and recovery of the data before the drive looses all life.
S.M.A.R.T supports all this type of monitoring and advanced warning in drives today.
Vacuum means much heavier material to construct the casing/sealed structure. And ordinary vacuums out there with standard materials are not really at 'vacuum' its just a order or magnitude poorer in terms of quality of this vacuum due to existing contaminants from atmosphere locked in it.
The higher order vacuums that approach true vacuum like conditions are order of magnitudes much thicker and powered by cryogenic pumps in concert with mechanical vacuum pumps. The order of vacuum pressure will be like 1x10E-6 Torr.
This picture shows a chamber that can achieve these close to ideal vacuum environments. We use them for CVDs (chemical vapor deposition)
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