A while back, EcoGeek's Matt James asked Dell if they were looking to incorporate ultra-efficient, 80 Plus power supplies in their PCs. Dell said yes, and they weren't lying.
80 Plus power supplies are at least 80% efficient at any level of drain. Normal power supplies can vary from 90% efficient at low drain to 60% at high drain. This means that up to 40% of poweris being lost before it even gets to your computer's components!
While these new power supplies are a bit more expensive, they'll almost certainly pay for themselves over the life of the machine. Dell has opted to include the 80 Plus power supplies in corporate models (the Optifast 740 and 745) but promise that they will be appearing in more models soon. I asked them if they'd be in the low-end models appearing soon on Wal-Mart shelves, but they aren't commenting on that yet. The PCs will also be loaded with energy-saving software and default settings.
Dell also just announced that they will are pleased they'll be meeting the EPAs new Energy Star 4.0 efficiency standards signficantly before they go into effect. It makes me wonder if maybe the standards aren't strict enough.
But it's good to know Dell is continuing its commitment to being on the forefront of environmental computing.
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