"The best choice in value" is Rosewill’s corporate mantra. Rosewill produces quality CPU coolers with best-in-class performance while staying affordable. Designed specifically for Intel Socket LGA 775 processors, the RCX-Z90-AL combines multiple features into a package that performs as well as more expensive units but at a fraction of the price. The aluminum fins optimize heat dissipation and the 92mm, 3000±10%RPM sleeve bearing fan delivers an air flow of up to 66±10% CFM for decent cooling performance with low noise. And the innovative heatsink design enables omni-directional airflow for efficient cooling of the CPU and Motherboard VR components. So sit back and enjoy surfing on the virtual world. Type: Fan & Heatsinks RPM: 600 ~ 3000 ±10% RPM Air Flow: 12 ~ 66 ±10% CFM Noise Level: 15 ~ 30 ±10% dBA Power Connector: 4 Pin (PWM) Color: Black Heatsink Material: Aluminum Compatibility: Socket LGA 775 ( TDP under 86W )