The simple solution seems to be more fans and bigger cases, resulting in the creations of absolute behemoths like the Corsair 9000D - pricey, massive, unpractical for most users.
Bestseller
The Airflow Dilemma of Traditional Desktops
Shown in the image is heat from components such as the GPU, CPU, RAM, and M.2 SSD dumping into one big, hot chamber (highlighted in red).
This formidable cloud of heat re-enters the supposed-to-be cold intakes of your parts, creating a domino effect that knocks out performance piece by piece. With computer hardware getting hotter with each generation, thermal throttling becomes an issue even in the most robust of gaming setups.
Bestseller
Individually Channeled Airflow
By modifying the Pteragon L1C's internal geometry, we were able to guarantee a constant availability of cool airflow to major components.
Visualization of Intakes and Exhausts
Artistry in action
Channel 1 - GPU.
Uncompromising standards
Channel 2 - via CPU watercooler.
Made to last
Channel 3 - PSU.