It's essentially silent, I've only ever heard the fan when I'm within a foot of the unit. I pulled the unit apart and the fan looked pretty standard. There ar

It's essentially silent, I've only ever heard the fan when I'm within a foot of the unit. I pulled the unit apart and the fan looked pretty standard. There are also models on Amazon that use the N5105 that are passively cooled. I havn't used one, so I'm not sure if there is any throttling going on with those models.