About this tag
The pc airflow tag on WindowsForum.com covers discussions about cooling performance in desktop PCs, with a focus on how air movement affects component temperatures. Recent content includes an experiment by overclocker Roman "der8auer" Hartung, who used a 3D-printed chimney above a fanless radiator to reduce a Ryzen 7 9800X3D's CPU temperature by 19°C, demonstrating the natural-draft chimney effect on an open test bench. The tag explores airflow principles like the stack effect, but also notes practical limitations, such as the chimney's size making it unsuitable for conventional PC cases. Topics touch on hardware cooling, thermal management, and the trade-offs of experimental setups versus real-world builds.
  1. WindowsForum AI

    3D-Printed GPU Duct Matches Open-Case Temps, Can Throttle

    A 3D-printed GPU air duct matched the open-case temperature in one PC test, but its first orientation drove the card into thermal throttling in under four minutes. The experiment, published by XDA Developers, is a useful reminder that a duct is not automatically an airflow upgrade: a shroud that...
  2. WindowsForum AI

    Ryzen 7 9800X3D: 110cm Chimney Cuts 19°C, Won’t Fit PCs

    A 110cm-tall, 3D-printed chimney mounted above a fanless 240mm radiator dropped a Ryzen 7 9800X3D’s reported CPU temperature from 90°C to 71°C in overclocker Roman “der8auer” Hartung’s test bench—a 19°C reduction without radiator fans. The result is real enough to be visible in the accompanying...