Corsair 5000d Airflow Vs 4000d Airflow 2025 Specs. Both lineups signal a return to classic corsair styling with a focus on improving the build. You can see this in action here where the 4000d airflow actually outperforms the 5000d airflow in a standardized fan test.

What is better to choose corsair 5000d airflow black or corsair 4000d airflow black? 5000d also has the option for side mounted fans too, so you could have up to 10 fans all at once if you fill out all the.