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 CoolerMaterial: Copper, AluminumLighting Effect: Colorful LightsInterface Type: 3pinFan Size: Approx. 90 x 90 x 62mm / 3.5 x 3.5 x 2.4inVoltage: 12 VDCRotation Speed: 200010%Noise: 22 dBAirflow: 48CFMLifespan: 50000 HoursBearing Type: HydraulicSuitable 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