Lenovo - fan unit

This Lenovo Fan Unit provides support to up to ten hot-swap fan modules. These include both 40 mm and 80 mm fan modules. Two of such 40 mm fan modules provide air to the I/O and chassis management modules. Four of the 80 mm modules create and airflow through the chassis from front to rear to the compute nodes through the chassis from front to rear. This fan unit is perfectly compatible with the IBM Flex System Enterprise Chassis 8721.