Perhaps you could use a smallish version of a kitchen window extractor fan in the front and in the back of the cabinet - at front to suck cool are in (and subsequently through the pc) and at the back to suck warm air out.
What is ransomware and how do I protect my PC from WannaCry?
What I learned from my mentor, Oscar-winning VFX supervisor Phil Tippett
Siri vs Google Assistant
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.