CPU Cooling Fan — Pro B400VC-W3022X / B400A / B400VC | KDB05105HB-CF74 CF73

Replacement CPU cooling fan compatible with Pro B400VC-W3022X, B400A and B400VC systems. This listing covers part number KDB05105HB-CF74 (also referenced as CF73). Designed as a direct-fit replacement for the original fan assembly, it is intended for servicing the specified models and restoring proper cooling performance.