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