Meanwell PSU Cover For 120mm Fan
Description
This is a custom cover for the Ender 3 Pro's Meanwell power supply. The tiny stock fan can be extremely loud, so let's screw on a fan that's 4x the size and can move much more air and is completely silent! Any 12V 120mm fan will work; I just happened to have spare computer case fans. The only caveat is that you'll probably need a 3-pin to 2-pin connector, or splice the connector from the stock fan onto the 120mm fan cables. Essentially, you just want to connect the 12V and ground wires, not the sensor wire. The wiring can be found here: https://www.coolerguys.com/products/3-pin-fan-cable-extension-12-thru-72-inches If your fan has LEDs that you find annoying, you can cut the two small wires connecting to the fan's board and wrap them with a layer of electrical tape. You'll want to orient the fan such that it pulls (cool) air into the power supply.
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