HP D7140-63011 - Airflow guide - Directs air to the processors for cooling - Mounts in front of the fan Retail
HP D4898-69001 - Fan module assembly - Has two large cooling fans for the processor boards and five smaller fans for chassis cooling mounted on a flat panel - Mounts in the middle of the Chassis assembly Retail
HP 5064-3553 - Tubeaxial fan - For the CPU board - Mounts on the rear of the chassis (Two used) Retail
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