A solid fan configuration would include intake fans on the bottom, and exhaust fans on top, as shown in the image above. Fresh air will enter the case, cooling your components.
Hot air generated by your hardware rises and will leave through the top exhaust fans. A optimal fan configuration would include intake fans on the front of the case. Including an exhaust fan on the rear of the case will round out an optimal setup. A configuration like that will let cool air enter in the front, while the hot air from the CPU and GPU then exhausts on the top and rear of the case.
In a standard desktop PC, you want at least one intake and one exhaust fan. Some cheaper cases only include a single intake fan on the front of the PC, or a single exhaust fan at the rear.
Spend a couple bucks for another fan so you have both. Like the picture above. Which setup is optimal? Both work just fine. In the example above, the open shroud GPU will also exhaust hot air upwards—a typical setup for a gaming rig. This will slightly increase your CPU temperatures when using an air cooler; you can reduce the heat levels with optimal fan airflow.
What can you do to maximize cooling and airflow? If your case allows it, install fans pushing air upwards towards your GPU on the bottom. Joined Aug 6, Messages 7, 4. Joined Oct 22, Messages 12, 4. Fleetwire said:. Jun 22, Low quality post by FreedomEclipse. Joined Apr 20, Messages 21, 4. Last edited: Jun 22, FreedomEclipse said:. Joined Jan 31, Messages 2, 0. Anything above 4 fans has diminishing returns. But in your particular case, there is only one front fan, which if you install a regular 3.
So no front fans for you. Just populate the other three exhaust positions: rear, roof A and roof B and you are ready to bake the cake Actually, you can go creative here no joke , since there is no front or bottom fan for cold air, might as well reverse the exhaust fans into intake fans, especially the rear one.
I've seen it done before and it does some better job, than just full exhaust setup. Here is an example setup: rear- intake, roof B-intake, roof A- exhaust. There you go. The thing Is you can put 2 fans at the top 1 fan at the back and 1 fan at the front.
Joined Dec 31, Messages 19, 4. More intake than exhaust only prevents a bit of dust inside the case. Thats it. Don't worry about balancing rpms and whatnot for 'pressure'. Joined Jul 16, Messages 5, 2. To me, this is one of those "I just look pretty in RGB" cases and I only see limited potential for some mild ghetto modding. Joined Jun 1, Messages 2, 0. Caring1 said:. No, just no. More intake than exhaust to create positive pressure, unless you want it to be a vacuum cleaner.
That case reminds me of the CoolerMaster case I had prior to getting a decent one with airflow. Temps were roughly 20C higher in that CM case and the small front vents were great at sucking dust up. Joined Sep 16, Messages 2, 2. Some cases do better with more exhaust then intake some NZXT come to mind but its up to the individual to test that out based on their specific hardware set up. A thick blanket of dust caked on is literally a blanket that keeps your components warmer than they should be.
Dust that is smothering heatsinks and moving parts will cause them to operate less efficiently or at worst, completely fail. To keep dust at a minimum, intake fans should have filters on them and if your air pressure is balanced or slightly positive most of the dust should be trapped by those filters. Just make sure to clean the filters often! Having at least one intake and one exhaust fan should provide a substantial temperature decrease versus having no fans at all. This is the typical barebones setup when it comes to fans, anything less and you are seriously robbing yourself of cooling potential.
But what about adding more? Adding an additional pair of intake and exhaust for a total of four fans will likely lower your temperatures anywhere from two to five degrees. That can be significant but anything beyond that and you are likely to see a diminished return in the range of one to two degrees, if that much.
Play around with the positioning of the fans, you might find that one fan up top and one in the rear consistently provides a few degrees lower temps than both of them in the rear.
However, It might be more accurate to ask how much airflow do you need instead of how many fans? If you are mixing and matching or have different sized fans you should check their CFM rating. CFM is cubic feet per minute and it is how we measure the performance of fans.
The higher the CFM the more air it can push.
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