Product DescriptionSpecification Mfr Part Number: XI5-8HD1A-0L-GP Socket Type: Intel LGA 775 Application: Intel Socket 775 Processor, upto 3.4GHz Heatsink Material: Aluminum Alloy Fan Speed: 3000 ± 10% rpm Fan Airflow: 36 CFM (Max.) Fan Air Pressure: 2.8 mmH2O Noise Level: 26.4 dBA (Max.) Bearing Type: Rifle Bearing Voltage Rating: 12 V DC Fan Life Expectance: 40,000 hours Connector: 3pin Thermal Resistance: Rca 0.413 °C/W Dimensions: Fan: 80 x 80 x 25 mm Heatsink: 80 x 80 x 38 mm