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Am 30.07.2012 19:14, schrieb Michael Mol: |
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> On Mon, Jul 30, 2012 at 1:04 PM, Mark Knecht <markknecht@×××××.com> wrote: |
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>> On Mon, Jul 30, 2012 at 9:36 AM, James <wireless@×××××××××××.com> wrote: |
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>> <SNIP> |
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>>> |
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>>> Amp meters are less than $50 USD. They clamp around the |
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>>> power cord, or any wires inside the computer you can fit |
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>>> the "clamp" around. |
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>> |
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>> <SNIP> |
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>>> |
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>>> hth, |
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>>> James |
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>>> |
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>>> |
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>> I haven't read this thread but I do use one of these which costs less than $20: |
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>> |
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>> http://www.amazon.com/P3-International-P4400-Electricity-Monitor/dp/B00009MDBU/ref=pd_sim_hi_1 |
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>> |
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>> Personally I think CPU power consumption is a red herring without |
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>> including the power consumed by the rest of the box: |
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>> |
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>> MB power? |
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>> Hard drive power? |
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>> Hard disk power |
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>> GPU power? |
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>> DRAM power? |
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>> |
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>> The 5 above can easily become the dominant power hogs. |
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>> |
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>> I use an Intel i7 980X 6-core hyper-threaded CPU, so that's 12 CPUs in |
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>> top, which burns _lots_ of power, but I suspect it's not the biggest |
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>> power consumer when compared to the total of the 6 500GB 7200 RPM hard |
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>> drives I have in the box. |
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> |
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> Spinning disks consume surprisingly little power once they're up to |
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> speed. My GPU, by comparison, doesn't seem to reduce heat generation |
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> very much when relatively idle. |
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> |
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|
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When I built my NAS box I did meassure the power consumption of my box, |
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first with one HD, then two, three and so one. And I figured that one of |
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my (Samsung) HDs uses about 5 Watts when running idle. |
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