Water cooling has been around for quite some time now, but with today’s new most recent developments in making each unit more compact delivering a high performance we are really seeing a change and huge progression in this area of the industry, especially with products like we have here for you today. Today we have for you the Antec KÜHLER H₂O 620 which 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 no maintenance. So let’s take a look at its effectiveness.


  • CPU Socket Compatibility:
    - Intel LGA 775, 1155 / 1156, 1366, AMD AM2, AM3, AM2+, AM3+
  • Low profile pump ensures exceptional liquid circulation while preserving internal airflow
  • Non-corrugated easy-bend tubes for maximum flexibility in radiator positioning
  • Intelligent noise / speed-control fan for quiet, efficient cooling
  • Latest generation copper cold plate for optimal conduction
  • Cooling Liquid - Safe, environmentally-friendly, anti-corrosive
  • Fan Speed: 1450 - 2000 RPM
  • Tubing Length: 13.0" / 330 mm
  • Radiator Dimensions:
    - 5.6" (H) x 4.7" (W) x 1.1" (D) /
    - 151 mm (H) x 120 mm (W) x 27 mm (D)
  • Fan Dimensions:
    - 4.7" x 1.0" / 120 mm x 25 mm
  • Air Flow:
    - 81.3 CFM
  • Cold Plate + Pump Height:
    - 1.1" / 27 mm
  • Net weight: 1.5 lbs / 0.7 kg
  • AQ3 - Antec Quality 3 year limited warranty on parts and labour

About Antec

Antec, Inc. is the global leader in high-performance computer components and accessories for the gaming, PC upgrade and Do-It-Yourself markets. Founded in 1986, Antec is recognized as a pioneer in the industry and has maintained its position as a worldwide market leader and international provider of quiet, efficient and innovative products. Antec has also achieved great success in the distribution channel, meeting the demands of quality-conscious system builders, VARs and integrators.