Passive intake at the bottom, exhaust fan at the top somewhere. Ideal is something like old computer fan paired with old mobile phone charger. +1. Unless it's a really old phone charger, it will have 5Vdc output. So, you'll need a fan that starts up at less than 5V. You can get an idea by looking t...

Hi - be gentle, first post, hope this is the right place

Have Mac Mini, Apple TV, Modem, Router and 4 drive NAS, all on 24/7 and all getting pretty hot in a cupboard. Can you recommend a silentish fan to get some of that heat out. Living in France so needs to be 220-240v

Thanks

Chris