Dell OptiPlex Small Form Factor (SFF) CPU Cooling Fan and Heatsink assembly, specifically designed for models like the 390, 790, and 990.
Model: Foxconn PVB120G12H-P01.
Specifications: DC 12V, 0.75A, 4-wire connector.
Part Numbers: Often referred to by DP/N 0637NC or J50GH.
Function: Designed to provide airflow for optimal CPU temperature control within the compact SFF chassis.