ASUS has unveiled the GeForce RTX 4080 Noctua Edition: a 4.3-slot cooler with a vapor chamber that peaks at 61C.
The ASUS GeForce RTX 4080 Noctua Edition includes a pair of state-of-the-art Noctua NF-A12x25 fans to move air through a massive heatsink, developed in collaboration with Noctua’s in-house experienced thermal R&D team and engineers. These engineers worked tirelessly to tune the fin density and heatpipe placement of the heatsink, optimizing it for the airflow characteristics of the NF-A12x25. To prioritize low noise, a smooth acoustic signature, and high cooling efficiency, as well as making room for this pair of 120mm fans, the teams increased the overall volume of this card to take up 4.3 slots. The card ships with a dual BIOS switch that has silent mode enabled by default to minimize acoustics right out of the box.
The NF-A12x25 was an easy choice for this project due to the many innovations incorporated into its 120mm frame. The impeller, made from Noctua’s patented Sterrox liquid crystal polymer, has an exceptionally low coefficient of thermal expansion, allowing the fan blades to be spaced only 0.5mm from the outer frame. This extremely tight tolerance allows the NF-A12x25 to work more effectively against back pressure by reducing airflow leakage, ideal for a densely packed stack of GPU fins. The metal-reinforced motor hub and axle further maintain this extremely precise gap between the impeller and frame.
Cooling consists of an extensive evaporation chamber with a network of eight heat pipes. Running with a GeForce RTX 4080 TDP of 320W, the ASUS GeForce RTX 4080 Noctua Edition peaks at just 61.7°C with the same ultra-low noise as the GeForce RTX 3070 and RTX 3080 Noctua variants.
