Features: Made of high-quality aluminum and copper, this liquid cooler offer superior heat dissipation to keep your CPU running smoothly. The aluminium radiator features a unique water cooling system with an pump for superior durability and motor resonance reduction. PWM fans provide excellent pressure and air flow while generating very little noise. With its customizable RGB lighting, this cooler not only keeps your system cool but also adds a style touch to your setup. Water Cooling Cooler; Specifications: Material:Copper+Aluminum Cooling Method:Water Fan Noise Level:18-30dB Maximum Rotational Speed:1700RPM10% Fan Air Flow:28-70CFM Fan Bearing:Hydraulic bearing Fan Control:4Pin pwm Pump Power:DC12V 0.4A 3pin 4.8w Color:Black,White;(Optional) Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1set CPU Liquid Cooler