The 90P4845 is an IBM fan assembly engineered for use in the eServer 325 platform. This compact 40 × 28 mm unit operates on a 12 V DC power supply and draws 0.55 A, providing reliable airflow within the server enclosure. Designed for integration with IBM’s eServer 325 chassis, the fan assembly delivers consistent cooling performance while maintaining a low electrical load. Its dimensions allow for straightforward installation in standard fan mounts, and the 12 V DC specification ensures compatibility with the server’s power distribution system. This component is ideal for maintaining optimal thermal conditions in enterprise server environments.