Asus Triton 77 Heatsink 18dBA for peaceful enjoyment! - Optimal performance and quiet operations with PWM function Thoughtful push pin and clip for easy installation without removing the MB. Innovative Up Way Airflow Cooling Technology for efficient over-clocking. Immediate Cooling - The Triton 77 has five copper heat pipes and high-density fins that effectively conduct heat away, maximizing cooling abilities, and ensuring system in stable condition. Ideal Cooling with DIY Enjoyment - Triton 77 provides the possibilities for gamers to shift 8 or 9 cm fans. Performance and silence at your control that brings gamers DIY enjoyment. Unique Ventilation Design - Innovated up airflow design to create maximum cool air and extend heat exchange time for better heat dissipation.