I've been researching PC equipment to build the cheapest, fastest, and most efficient DIY NAS device possible. It looks like I'm going to want to wait a while on the power supply. My system shouldn't need more than a 300 watt supply. Check out the specs on this reference design for a 250 watt supply from NXP. If you spend some time thumbing around on 80plus.org comparing efficiency curves, you'll find those are incredible numbers. Almost 93% efficient at 20% load! That is insanely good.
The application notes for building these supplies came out 8 days ago so it is probably still a few months before we see some products.
Friday, February 20, 2009
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