Discussion Forums > Technology
WD HDD Industry Will Be Supply Constrained Due to Thailand Flooding
vuzedome:
Love it when simple physics and economics were ignored.
Pentium100:
15kRPM drives use even smaller platters. That's why there are no 2TB 15kRPM drives.
CharredChar:
--- Quote from: Lupin on November 29, 2011, 07:14:59 PM ---
--- Quote from: CharredChar on November 24, 2011, 06:50:02 AM ---Just like a DVD, the larger diameter of the disk/platter would cause slower read/write speeds at the outer edge
--- End quote ---
This is wrong. The outer edges have higher read/write speeds since the head covers much more distance (at the same rotational speed) in this region. The reason we see less 10K models is because the platters wobble more at that speed and that causes errors. Since platter densities are higher, there would less margin for error. WD remedied the problem by releasing their 10K at a smaller form factor but the gains are getting smaller and not worth the effort. 10k drives will be sucking more power but provide less and less performance gains.
--- End quote ---
Oops, it seems I was picturing it all backwards in my head.
kitamesume:
since we're talking about HDDs here i'm gonna ask a silly question. how far are the failure rates of laptop vs desktop HDDs on the same capacity?
CharredChar:
--- Quote from: kitamesume on November 30, 2011, 04:19:19 PM ---since we're talking about HDDs here i'm gonna ask a silly question. how far are the failure rates of laptop vs desktop HDDs on the same capacity?
--- End quote ---
Excluding specific drive issues? It should be the same.
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