There are also cases where most of the computer case surface is an actual heat sink and radiator. Heat pipes are provided that you can attach to the processor a

There are also cases where most of the computer case surface is an actual heat sink and radiator. Heat pipes are provided that you can attach to the processor and graphics card. A free business idea: create decent looking fanless radiator cases for computers. Make them look like minimalistic furniture, not like kid's toys or faux Apple imitations.