Features: Engineered with metal construction, for 450 G7 455r G7 ZHAN 66 15 G3 CPU cooling fan delivers efficient heat dissipation to prevent overheating during extended laptop usage. Features whispers quiet operations under 25dB and toolless installation, ensuring universals compatibility with multiple laptop models while maintaining focused work environment. for professional, students, and gamers requiring thermals management for intensive tasks like data processing or extended gaming. Optimizes laptop performances in office workstations, library study setups, or gaming marathons where stable temperatures and noise reductions. Metal build enhanceds longevitys and heat conductivity, providing cost effective solution to prolongs device lifespans without frequent replacements. Specifications: Component: Metal Current: DC5V 0.5A Connection: 4pin for 450 G7 455r G7 ZHAN 66 15 G3 Package Includes: 1PC CPU Cooling Fan note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!