Replacing my home backup server with Amazon's S3 (by Jeremy Zawodny)
jeremy.zawodny.com/blog/archives/007624.html
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
My home server is a 2.4GHz Pentium 4 that contains 3 250GB SATA disks in a RAID configuration, plus an 80GB boot and OS disk. I decided to measure its power use using my Kill A Watt and found that it consumes roughly 120 watts of power with the CPU idle a