Corsair 4000d Airflow Measurements 2025. With the launch of the af120 elite rgb fans, corsair took the opportunity to relaunch the 5000d and 4000d cases as icue editions featuring the new cooling units. The 4000d airflow results are good for both the cpu and gpu;

The corsair 4000d airflow aims to combine excellent ventilation capabilities with a detailed, yet understated design and solid material mix. A clean start to a great build.