I'm using a Corsair 4000D Airflow with an MSI RTX 5070 Ti and a DeepCool LS720 SE 360mm AIO. My current fan layout is three 120mm fans as front intake and three fans on the top radiator as exhaust, with no rear exhaust fan. Would adding a 120mm rear exhaust improve airflow, or is the current setup already sufficient? My idle temperatures are about 44°C for the CPU and 35°C for the GPU. While playing Cyberpunk 2077 at maximum settings, both components stay around 50–55°C. I haven't configured custom fan curves yet.
1 Answer
The best guide here is your actual temperatures. A CPU around 44°C at idle, a GPU around 35°C, and roughly 50–55°C under a demanding game load indicate that the system is already cooling very well. Adding a rear exhaust is fine if you want the conventional layout, but it’s unlikely to make a meaningful difference unless you notice heat buildup or unusually high component temperatures.
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