HP 5182-6790 - Tubeaxial fan - Two mount to the chassis support bracket (In the front top of the NetServer) and the third mounts to the chassis fan cage (Processor board fan) (Three used) Retail
HP A3262-63009 - Tubeaxial fan assembly - One Mounts on the rear panel (center) and the other on the front panel (below display) (Two used) Retail
HP D7140-63018 - Tubeaxial fan - For cooling the processors and other components - Mounts on the inside rear of the chassis assembly Retail