The HP L15662-001 module (also known as Memory Fan Housing) is an essential component for thermal maintenance of HP Z4 G4 workstations. This active heat sink is specifically designed to convey air flow directly to RAM memory banks, preventing overheating during intensive workloads such as video rendering, 3D simulations or computational calculation. The unit includes the plastic housing and the integrated cooling fan, ensuring perfect mechanical and electronic integration with the Z4 G4 chassis. The installation of this module is essential when you populate the workstation with a high number of RAM modules or when using high-performance memories that generate significant heat, ensuring system stability and prolonging the useful life of the components. Main technical specifications Brand: HP Part number: L15662-001 Product type: Active divider for RAM (Memory Fan Housing) Compatibility: Exclusive to HP Z4 G4 Workstation Components: Plastic housing + indoor cooling fan Connection: HP proprietary connector for power supply and tachymeter control Function: Active cooling of DIMM memory modules Installation: Ink system designed for the original HP chassis