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Antec KUHLER H2O 650 Maximum Performance Liquid Cooling System


  • Quick, easy-to-install package
  • One 120 mm Pulse Modulation (PWM) fan
  • RGB LED illumination to indicate CPU temperature
RoHS Quiet AQ3

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The Antec Kuhler H2O 650 delivers high-performance liquid cooling for your CPU in a quick, easy-to-install package. Unlike traditional liquid cooling systems, this self-contained unit comes prefilled and requires zero maintenance. The extra large pump circulates coolant through optimized water channels, while easy-bend flexible tubing allows it to be installed in nearly any orientation. The Kuhler H2O 650 comes with a 120mm fan. The fan's motor hubs also work as the coolant pumps, and the flow of the coolant is in direct proportion to the fan speed. So a higher fan speed directly translates to a higher coolant flow.


RGB LED illuminates your case and changes color to indicate CPU temperature. With the help of The Grid software, you can set the LED lighting to match thecolor scheme to match your rig. During extensive and high demand gaming, no need to pause or exit, monitoring CPU temperature is made easy with the temperature controlled LED. Take a quick glance and carry on dominating in the game!



PWM fans

The 120mm Pulse Width Modulation (PWM) fan is fused with directional blades that channel air through the radiator for optimal cooling. The Kuhler H2O 650 comes pre-filled, and never needs refilling or priming. The easy-bend tubes allow for maximum flexibility in radiator positioning and are sealed tight shut to avoid an leakage.


The Kuhler H2O 650 includes a newly designed universal mounting bracket that works with either an Intel or AMD CPU.

Universal Input
Model:Kuhler H2O 650
-Copper cold plate is optimized for thermal conduction
-Extra large pump and integrated PWM fan were engineered to cool the radiator efficiently
-One Integrated PWM fan automatically adjust fan speed based on temperature. Built-in directional blades focus airflow through the radiator
-RGB LED illuminates your case and changes color to indicate CPU temperature
-Intel Compatibility LGA 775/1150/1155/1156/1366/2011
-AMD Compatibility AM2/AM2+/AM3/AM3+/FM1/FM2

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