A power supply includes a power supply unit. The power supply unit includes a first housing configured to interface with one or more of housings of one or more fan modules. The power supply unit also includes a power generation unit disposed within the housing. The power generation unit may be configured to generate power for an electrical device. The power supply further includes a first connector configured to provide power to the one or more fan modules. The power may be used to operate one or more fan units of the one or more fan modules. The power supply also includes a fan module. The fan module includes a second housing configured to interface with the first housing. The fan module also includes a fan unit disposed within the second housing. The fan unit may be configured to generate an airflow through the first housing. The fan module further includes a first attachment member configured to interface with the first connector. The fan module further includes a second connector configured to receive power from the one or more power supplies and provide the power to the fan unit.