DeepCool UD551 ARGB CPU Air Cooler – Fan Speed: 500~1800 RPM±10% – Airflow: 44.31 CFM – Air Pressure: 1.65 mmAq – Noise Level: =26.8 dB(A) – Bearing Type: Hydro Bearing – Power Connector: 4-Pin (PWM) – Addressable RGB LED – UD551 – 12 Months Limited Warranty