power consumption to host web site at home


A typical Windows Home Server box like following

(Following is rom above article:)

3.0GHz Core 2 Duo
4 1TB WD "green" drives
4GB memory
300W SeaSonic 80plus power supply

Power consumption (per Kill-a-Watt) is 47 watts at idle and 60-80 watts under load.

Doing some research before building this, I found that one of the most important items to consider is the power supply. 300W was the smallest I could find that supported the motherboard. I would have gone with a 200W supply if one had been available.....

The energy cost will be:

80W * 24 * 365 = 700 kilo-Watt * Hour

Every year the power will cost about 70$ including tax based on following electricity prices http://www.energyshop.com/electricity-prices-toronto-residential.cfm

peak: 9.9¢/kWh;
Mid-Peak: 8.1¢/kWh;
Off-Peak: 5.1¢/kWh.

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