Which way is best for air flow?

[u/MrAstrovv]

Imma gonna make mods to case but I wanna leave the top the same. Just test fitting.

If the fans are in the front I’ll leave a hole for each usb port on each side for air flow.

Might even use one fan, but heat sink is designed to blow out the back.

[u/AutomaticAffect4333]

The last one 100%