Fan whose speed is controlled by varying voltage.

Approximate heat output target for a component's cooling system.

PSU with some fixed and some detachable cables.

Relationship between temperature and fan speed.

Abbreviation for thermal design power.

PSU with permanently attached cables.

Movement of air through a computer system.

Maximum or critical junction temperature specification.

Percentage of input power converted into useful output power.

Case condition where intake airflow exceeds exhaust airflow.