INTP:
What's powering whatever's going into the cabinet?Identical fans for intake and exhaust is not a good design. Use all 4 as one or the other. Depends on how the layout affects airflow. I usually like exhaust fans up top, but if you know it's going in a dusty environment, intake fans you can put filters on are better and a 'leaky' box isn't going to take in dust from its crevices because there will be pressure working from inside.
Thanks for the reply,
Inside the cabinet will be a couple 1u servers and a tower PC. So they are powered by different PSUs.
Here's the layout for the case so far:
Intake on the bottom left going thru a air duct to kill any sound then being pulled into the case with a second fan.
Out take doing the same thing but pushing air the opposite direction and pushing out in the top right.
The box will be air tight sealed with green glue and silicone so dust shouldn't be an issue unless I put dirty units in there.
Thanks,
Kevin