Macro-economic consequences of Moore's law?

By: David Hess (davidwhess.delete@this.gmail.com), April 21, 2017 7:36 am
Room: Moderated Discussions
Ricardo B (ricardo.b.delete@this.xxxxx.xx) on April 19, 2017 6:31 pm wrote:
>
> Third, powering a 7200 HDD is not difficult.
> Existing 7200 2.5" HDD consume only 1100 mA @ 5V.
> Even an USB 2.0 port can provide 2000 mA @ 5V.

The increase in available power for USB 2.0 was through engineering change notices issued years (10!) later. In practice, it cannot be assumed that USB 2.0 ports support more than 500mA which is why many external USB 2.0 hard drive enclosures had provisions to use two USB ports; 500mA is marginal or too low for many 2.5" hard drives.
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