11/6/2023 0 Comments Cpu airflow diagram![]() ![]() All I had to buy was the PVC and the plywood. I say that this project only costs $3 because that's about what it cost me. 4 regular case fan screws (or just two if that's all you can scrounge).computer case with side intake vent close to CPU fan (if you're handy enough you can make yourself a vent).drill press (makes using the hole saw easier).3" Hole saw (can be replaced with a scroll saw or a square saw).Miter saw (can be replaced by a regular hand saw).I used the following tools and materials in this build (there are other ways to do this, but this is what I had available to me): Tools: I managed to give myself a nice burn with my soldering iron doing another mod not long ago, which just goes to show you what can happen if you're not careful. I am not responsible if you hurt yourself attempting this mod and I hope you don't. ![]() Safety glasses are recommended in just about any endeavor including tools, so if you think you need them, WEAR THEM. Just a friendly reminder: Always know the proper use of any of your equipment - read any manuals and take all safety precautions. If you like what you see, subscribe to my YouTube channel for more! It will work with larger (or smaller) sided vents, but obviously you'll have to modify your materials, calculations, and assembly for that. This project is designed to fit an 80mm side vent, which seems to be standard on most mid-range cases nowadays. I took it out and finally built something I'd been knocking around my head for a while. First I had to modify it out of the box to fit on the fan for my CPU heatsink, then I had to duct tape it in place, and it would sometimes grind against the fan when it ran - it was a pain. Having used a collapsible fan duct for a few months, I finally decided that it was too much of a pain in the neck. There are some commercial solutions that aren't too expensive (usually $10-$20), but what I've made is definitely the right price - only $3. Having an opening in the case in line with the CPU fan helps, but the air from this method is at best a mixture of some fresh air and some already from the case. Instead of using air taken in from a front port, which has time to warm up from other components, the duct sucks in fresh air from the outside environment. As long as you have good air intakes on the front of the case, airflow and temps will be just fine.Having a intake duct straight from the side of your computer case into the CPU fan can give you much better cooling than any other (air) cooling option. A good size radiator will not be affected by GPU heat too much. I agree with having the radiator top mounted with fans as exhaust. I have also installed 3 x 120mm fans in the front for maximum fresh air flow so it's not like the case air is going to get incredibly hot. My main gaming PC has an NZXT Z63 front mounted with the fans pulling air in through the mesh front of the case & over the radiator which has worked fantastically for me so far.Īs i have never top mounted an AIO before i was wondering what everyone's preference was ? To either have the fans blowing hot case air up & out of the case (how i was originally going to do it) or to have it being pulled in and exhausted out the back with 120mm fan. I have heard that it may only change the temps on the CPU up or down 2 - 3 degrees either way. I'm currently in the process of building my 2nd gaming PC and would like some advice on what direction I should have the fans on my 240mm AIO (top mounted) blowing. ![]()
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