![]() Look at a twin tower air cooler like the noctua NH-D15s or the be quiet dark rock 4 pro. It has 170mm available for a top air cooler. I am not so hot for a liquid cooler in a nice case like yours. Whatever comes in the front is going to exit SOMEWHERE, taking component heat with it.Ī single 120mm rear fan is fine to direct the airflow. ![]() If you think the two 140mm front fans are not sufficient, you can buy higher rom 140mm fans to increase the intake airflow at the expense of more noise. One advantage of a positive pressure system is that since all intake is filtered, your parts will stay cleaner.Īdding extra top intakes(or exhaust will draw in unfiltered air to the case. If you wanted at some point, you could, or depending on space, might be able to add another two for push pull on the radiator but if there is no room for that because of drive cages or the panel design, then simply using it as is will have to be fine. I'd recommend you fill all top and rear fan locations with as big of fans as what those locations will accomodate, and then run the 2 x 140mm on the front radiator. And that's probably a good thing, because with an AIO cooler you REALLY need the negative pressure to help those front fans AND to expel heat from the case so the rest of the system like the motherboard, drives and memory that won't have the benefit of residual airflow normally offered by a tower cooler. If you are pushing through the restriction of a front mounted radiator, it's highly unlikely you'd come anywhere near a positive pressure configuration anyhow unless you only had one rear fan and sealed up every possible hole and seam. If dust is a concern I'd suggest a case with good front filtration or a modification allowing you to add filtration. Having more exhaust than intake, or larger exhaust than intake, or faster spinning fans moving more air than what the intake fans are configured for, will all offer negative pressure. Negative pressure is ALWAYS the most efficient, highest performance cooling configuration. Positive pressure's ONLY benefit is dust suppression.Ī positive pressure configuration is very hard on front intake fans, making them struggle to work harder against the increased resistance from the positive pressure it is trying to overcome, which in turn tends to reduce the lifespan of the fan motor and probably also bearing from the increased heat. ![]() ![]() Positive pressure does NOT provide the best cooling and temps. I'm using 4x 140mm fans and 1x 120mm fan (A total of 5x fans) and I'm planning on overclocking my CPU (8700k), so achieving the best temps would be necessary. However, I'm worried that a single exhaust fan won't be sufficient. This will leave me with a single 120mm fan at the back as exhaust. So, all things considered, I came to the conclusion that, the best fan config for my particular set up is to use 2x 140mm fans in the front as intake, as well as another 2x 140mm fans at the top as intake. However since this case has a closed front panel design, I'm worried that the 2x 140mm intake fans in the front won't suffice especially since they have to push air through the radiator which obviously adds to the restriction. I am mounting a 280mm radiator (Corsair H115i) at the front of the case with 2x 140mm fans mounted to it as intake. So, I'm building a pc in the Corsair Carbide 275R case, and I'm trying to create a positive pressure to get the best cooling and temps.
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