I have a unique PC case that lacks front or side slots for intake fans. It only has fans on the top and back. My current setup, with an i5 13400f, keeps temperatures around 75°C max, but I'm upgrading to an i7 14700k. I'm planning to undervolt and limit power consumption, but I still want effective airflow. Should I configure any fans for intake, or should they all be exhaust? Just to clarify, the case was a pre-built model, which is why it has these limitations. Right now, I have three 120mm fans set to exhaust at the top and one 120mm exhaust fan at the back, plus one fan on the CPU cooler.
2 Answers
Typically, the best airflow setup is to have intake fans positioned at the bottom and exhaust fans at the top and rear. Since your case only allows top and back fans, keeping the top ones as exhaust and the back one as exhaust could work. However, if there's a way to create negative pressure by having more exhaust, that can help pull in air through the small gaps. Just remember, without front intake options, your airflow might not be as efficient as it could be.
It sounds like you're in a bit of a tight spot without front intakes! The typical rule is exhaust at the top and back to help hot air rise. Since your setup is a bit unconventional, just ensure you don’t block any ventilation. Even if you can't have front intakes, check if there's any gap in the case that could allow for some air to be pulled in. It might not be perfect, but every bit helps!
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