Surface of a heatsink contacting the heat source.

PSU with permanently attached cables.

Open grille designed to permit airflow.

Hardware converting AC power into regulated DC power.

PSU with some detachable and some fixed cables.

Channel directing airflow.

Protective enclosure surrounding a power supply.

Cable carrying electrical power from a PSU.

Cover that directs or improves fan airflow.

Fan used to cool a power supply.