With prices for many everyday goods on the rise, small and midsize businesses are always looking for ways to cut costs and increase their return on investment (ROI). Even if "going green" hasn't earned a spot on the IT staff's priority list, there's an easy solution to cutting power and cooling costs -- and it's no further away than the electrical outlets in your server room.
If every server were in a house, 120 volts would make sense for every server. We are a 120-volt society. Since electrical codes in the United States require habitable space to be wired with 120V, 120V outlets are the primary power source in small office buildings as well. To accommodate their customers, technology vendors ship entry-level and midrange servers with a 120V power cord as standard equipment.
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