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bbbl67 <yjk...@gmail.com> wrote:From my experience, this sounds like the drive has problems
> A friend of mine had an WD My Book external case, which contained a
> 500GB WDC WD5000AAVS-00ZTB0 hard drive inside it. At some point along
> the way the My Book's interface failed, it's warranty was expired, and
> so we took its hard drive out and installed it directly inside his PC
> case. This was back in mid- to late-2011, that it was transferred from
> external to internal. It seemed to be fine for the most part in
> performance, but recently we did some benchmarking and we were shocked
> to find that although its reading speeds seem normal (around 50-60 MB/
> s), its write speeds were shockingly low (around 10 MB/s, if even
> that). What could cause such a weird asymmetry in read vs. write
> speeds? It didn't seem that slow while it was inside the My Book case.
positioning or finding sectors. If it was finding sectrors, then
the read-speed should also be affected. My guess would be weak
power or vibration that makes the more precise head positioning on
> This is one of those WD Caviar Green drives, so I'm wondering if thereNot that bad.
> is some kind of power savings setting affecting it?
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