AR11 SST-AR11 Features: Designed for low profile system at 47mm tall Four Ø6mm heat-pipes and aluminum fins for excellent heat conducting efficiency Heat-pipe direct contact (HDC) technology Includes compact 92mm PWM fan for excellent cooling and low noise Tightly bended heat pipes reduce installation interference For use with CPUs up to 95W or more Intel Socket LGA1150/1151/1155/1156/1200 compatible Specifications: Model No. SST-AR11 Material Copper heat pipes with aluminum fins Application Intel Socket LGA1150/1151/1155/1156/1200 Heat Pipe Type Ø6mm heat-pipe x 4 Fan Dimension 92mm x 92mm x 15mm fan Speed 1200 ~ 3000RPM Noise level 19.3 ~ 44.5 dBA Rated Voltage 12V Max airflow 21.75 ~ 55.76CFM Max air pressure 0.76 ~ 4.53mmH2O Bearing Dual ball bearing Start Voltage 6V MTTF 70,000 hours Dimension 97mm (W) x 47mm (H) x 94mm (D) (with fan) Net weight 290g