The unconventional design of carbide series air 540 utilizes dual chambers to deliver cooler air to your cpu graphics cards motherboard and memory without your drives or power supply getting in the way the included custom air series af140l intake and exhaust fans provide great airflow performance at lower noise levels than typical case fans and you can mount up to six 120mm or five 140mm fans with 280mm top radiator support and room for a 360mm radiator on the front panel like all corsair cases