The CORSAIR 4000D AIRFLOW is a distinctive high-airflow optimized mid-tower ATX case with easy cable management and two included CORSAIR 120mm AirGuide fans for exceptional coolingHIGH-AIRFLOW FRONT PANELAn optimized front panel delivers massive airflow to your system for maximum cooling.CORSAIR RAPIDROUTE CABLE MANAGEMENTRoute your major cables through a single channel with a roomy 25mm of space behind the motherboard for all of your cables making a clean-looking build easier than ever.POWERFUL DIRECTED AIRFLOWEquipped with two CORSAIR 120mm AirGuide fans utilizing anti-vortex vanesTo concentrate airflow and enhance cooling.UNLIMITED POSSIBILITIESBuild it how you want today with an easy upgrade path for tomorrow.