NOCTUA 140mm NF-A14x25 G2 PWM Sx2 PP Fan Key Features1Dual Speed ​​Offset Fan: Two fans with approximately 25 RPM speed difference eliminate acoustic interference, resulting in more consistent sound and reduced vibration.         Advanced Blade Design: An LCP (Sterrox®) polymer impeller with 9 progressively curved blades and Flow Acceleration Channels ensures high efficiency and low noise levels.SSO2 Technology: The advanced SSO2 (Self-Stabilizing Oil-pressure) bearing guarantees quiet and stable operation for a long time.         Included Accessories: The set includes two fans, two LNA adapters, two 30 cm extension cables, a PWM splitter, eight anti-vibration rubber mounts, and mounting screws.ApplicationThe Noctua NF-A14x25 G2 PWM Sx2-PP fan is ideal for:CPU and GPU heatsink cooling in air cooling systems.         Radiator cooling in AIO (All-in-One) systems and custom loops.         Computer case ventilation, especially in dual-fan configurations.         Professional applications where quiet operation and reliability are key. SpecificationsPerformanceModel:FanFan Diameter:14 cmMaximum Fan Speed:1500 RPMDesignProduct Color:BrownNumber of Fans:1 fanLED Lighting:NoColor Backlight:NonePackage ContentsPackage Type:Hanging BoxOther FeaturesNoise Level:24.8 dB