“Cooling is always good, and helps with the avoidance of throttling when heavy tasks are being performed.
Let’s face it it’s a computer, and you wouldn’t run your main computer without cooling.”
“It is a fan and it works, but the case that comes with the pi 4 bundle isn't the case it fits in, or else I can't work it out. I've detached the fan from its own housing and stuck it to the case and it works fine, but not as easy as expected.”