US Patent 10390462 Server chassis with independent orthogonal airflow layout

A chassis includes a front and back portion. The front portion includes a plurality of compute devices and a first plurality of fans. The back portion includes a plurality of input/output devices and a second plurality of fans. A first airflow zone extends from the front portion to the back portion, the first airflow zone to direct a first airflow from the compute device to the second fans. A second airflow zone extends from the front portion to the back portion, the second airflow zone to provide a second airflow from the first fans to the input/output devices, and to isolate the second airflow from the first airflow zone.