If you've ever wanted to see a Mini ITX motherboard converted into a working laptop, you're in luck— SFF.Network member APU_enthusiast posted a completed build project highlighting just that, and FanlessTech brought it to our attention because it is also passively cooled. Unlike active cooling (fans + heatsink or radiator), passive cooling relies entirely on a heatsink and natural air dissipation to get the job done, so generous breathing room is typically nice to have.