Ahh... This is what I was wondering.
I know you can get the voltages on each on the line 12v, 5v, 3.3v etc using a multimeter (as per the sticky thread) but I would also need the amps to work out the wattage used?
I have to take the PC apart tonight to install my new cpu cooler so will find...
There might be a mis-understanding of what I am after.
While the PSU might might running at its most efficient at 40-60% load.
That doesn't mean that its an efficient PSU?
I am trying to work out if my old PSU is worth replacing with a newer one.
If my old PSU is only 70% power efficient...
As per the threads title, How do I work out how efficient my PSU is?
Correct me if I am wrong, but efficiency is calculated as:
Load in DC required by system / Load in AC drawn from Power Socket.
I have a plug in power meter so I can get the Load Drawn from the power socket.
But how do I...
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