Corsair 4000d Airflow Measurements 2025 Model. Still, it's a solid value among budget atx chassis and looks. For both measurements the result is a tad better than our open test bench result, demonstrating good effectiveness of the airguide.

With enhanced ventilation, the 4000d airflow provides outstanding system airflow in a stylish package. 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.