Quote:
Originally Posted by cubby_swans
man I'm on a roll today. I just realized I can pull the fan out of the power supply of this old PC here, rather than the little processor fans. I now have an 80MM 12V .19A fan that really pushes a lot of air. I think the return air from the tower will provide more than enough circulation to the rest of the box.
I still would like someone with electrical knowledge to assure me that the power supply I'm using will be OK to use. Am I correct that the fan only draws the amperage that it needs?
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The PS is capable of 1.5A before it blows a fuse. So yes, the fan only draws what it is rated at & that is all the PS needs to give it.
I don't know how big your PS is but is sounds like it's working OK.
I am using a 12V .3A cell phone charger adapter to drive 2 fans. These things push plenty of air.
One is for the tower box & the other sits on top of the CO2 bottle blowing across the cold plate.
It may be redundant, but I know I'm getting maximum air circulation in the unit.