> 7 case fans This sounds like too many fans to me. Fans can even have negative side effects on the air flow. Usually you want one flow from the front to the b

> 7 case fans This sounds like too many fans to me. Fans can even have negative side effects on the air flow. Usually you want one flow from the front to the back. In some cases just the PSU fan is enough. You generally only want 120mm fans, as airflow rises faster than noise with size.