Electricity usage

>> How much electricity could I save from replacing a 3.5" 7200rpm hard
>> disk with a 2.5" 5400rpm one?
> Not a lot I expect.

The platter is smaller, so the motor is smaller... so ....

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 >> Stay informed about: Electricity usage 

Previously Man-wai Chang ToDie <toylet.toylet.TakeThisOut@gmail.com> wrote:

> How much electricity could I save from replacing a 3.5" 7200rpm hard
> disk with a 2.5" 5400rpm one?

Depends on your usage pattern and the disks in question.
Just read the datasheets of the disks.

Arno
 >> Stay informed about: Electricity usage 

Man-wai Chang ToDie <toylet.toylet RemoveThis @gmail.com> wrote:
>>> How much electricity could I save from replacing a 3.5" 7200rpm hard
>>> disk with a 2.5" 5400rpm one?

>> Not a lot I expect.

> The platter is smaller, so the motor is smaller... so ....

Sure, but that effect is swamped by the other power use of the rest of the system.
 >> Stay informed about: Electricity usage 

On Sun, 10 Feb 2008 14:08:36 +0800, Man-wai Chang ToDie
<toylet.toylet.DeleteThis@gmail.com> put finger to keyboard and composed:

>How much electricity could I save from replacing a 3.5" 7200rpm hard
>disk with a 2.5" 5400rpm one?

In Australia you would save about $1 per year (9kWh) for every watt of
reduction in power consumption, assuming your drive spun continuously
during that time.

- Franc Zabkar
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 >> Stay informed about: Electricity usage