The 540-6674-01 Sun CPU Fan Tray Assembly is an original equipment manufacturer (OEM) replacement component specifically engineered for the Sun Fire V440 server. This assembly integrates the central processing unit (CPU) fan and supporting tray structure to maintain optimal thermal performance within the system chassis. Designed to match the exact dimensions and connector layout of the original part, it ensures a direct fit without the need for modifications. By providing reliable airflow, the fan tray helps protect critical processor components from overheating, contributing to system stability and longevity in demanding data‑center environments.