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Antec Kühler H20 620 Liquid Cooler Review

Rating: 9.0.

Corsair had great success with Asetek's low cost liquid coolers back in 2009 and while they have moved onto new pastures, Antec's Kühler H20 620 has slipped into the market with a unique take on the liquid cooling concept.

The reason for buying one of these coolers is simple. You want an easy set up liquid cooler to reduce noise levels and increase cooling performance, particularly for your overclocked system. While KitGuru has always stood behind the amazing Noctua NH D14 cooler, there are some downsides with this cooler, mainly the huge amount of real estate it demands inside a chassis.

Antec are well known for their computer cases and have been an enthusiast favourite for many years now. The Kühler H20 620 is their first liquid cooler however so a lot rides on the performance. It is worth the cost?

Kühler H2O 620 Specifications

  • 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
  • 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: 330 mm / 13.0″
  • Radiator Dimensions: 151 mm (H) x 120 mm (W) x 27 mm (D); 5.6″ (H) x 4.7″ (W) x 1.1″ (D)
  • Fan Dimensions: 120 mm x 25 mm / 4.7″ x 1.0″
  • Net Weight: 0.7 kg / 1.5 lbs
  • AQ3- Antec Quality 3-year parts and labor warranty

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8 comments

  1. £45, damn thats a hell of a price, its 20 quid less than the D14.

  2. Thats a really good looking product, no doubt about it. the price is amazing. i thought it was £65, same as H70.

  3. I was waiting on a few good reviews of this. I think this will be my next purchase. I still have my H50 from when it was released and its a bit tattered looking now.

  4. I think antec hit the price spot on. a lot of people who normally wouldnt spend 60 quid on a cooler will go for this due to the 45 quid asking price, same as frio, but smaller and better. seems like a win win

  5. Very impressive cooler for the money. The thicker hoses are definitely helping.

  6. ordered one online for £42, thats a hell of a bargain as you say.

  7. Good review, great cooler. Just to let you know, there is a small typo in this article on page 2 – ‘ships with mounting brackets for both AMD and Nvidia platforms’.

  8. The thing sucks – three time as expensive as a simple Corsair fan system and twice as loud. There is no way to control the RPM, it will constantly be over 1400. I just got this thing installed and it is driving me mental.

    I implore you not to buy this piece of crap.