Feature: 1. OUTSTANDING COOLING: 90mm CPU radiator with direct contact technology, 2 heatpipes for excellent cooling effect, and stacked fin array for minimum airflow resistance. 2. COLORFUL LIGHTING EFFECTS: Computer CPU cooling fans feature cool colorful lighting effects to create a sense of technology that puts you right in the middle of the action. 3. 3PIN CONNECTOR: Quadrate self backing backplane motherboard for B version, 3pin connector, 50,000 hours lifespan, durable. 4. QUIET DESIGN: The Computer CPU cooler features a quiet design with only 22dB of noise, so you can enjoy your computer operation without interruption. 5. EASY INSTALLATION: Computer CPU cooling fans are easy to install, intuitive fan bracket design, upgrade and remove the fan with ease. Specification: Item Type: 9CM CPU Cooler Material: Copper, Aluminum Lighting Effect: Colorful Lights Interface Type: 3pin Fan Size: Approx. 90 x 90 x 62mm / 3.5 x 3.5 x 2.4in Voltage: 12 VDC Rotation Speed: 2000±10% Noise: 22 dB Airflow: 48CFM Lifespan: 50000 Hours Bearing Type: Hydraulic Suitable for B Version: Quadrate Self Backing Backplane Motherboard, A Version C Version Is Not Applicable. Package List: 1 x 9CM CPU Cooler1 x Silicone Grease Pack