Calculating power requirements
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When building a system you need to do some power requirements guesstimates, most often this doesn’t have to be very precise and especially when building a normal form factor PC or server, the power supply is often heavily oversized anyway.
However when trying to build a performant but energy efficient system, things become a little bit more critical. Especially when you really start taking a look at see how much power you are going to need on the 12v and especially 5v rail.
Let’s explore!