Antec KÜHLER H₂O 620

There are a ton of various cpu coolers on the market, one choice instead of noisy fans is watercooling kits that both Antec and Corsair offer these days. The good thing about watercooling is that it makes way less noise and you rarely have to clean any fans like with traditional cpu coolers. Question is though how well these perform vs the high end cpu coolers like Noctua and Thermaltake?

About Antec:

Read more about Antec on their website,

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 labor

The Product:

Antec KÜHLER H₂O 620 Antec KÜHLER H₂O 620
Please click on thumbnails for bigger images

This kit comes packed in this medium sized box with a print on the front of the case. Inside is where all the goodies are of course, when you open the box there are a bunch of accessories on top of the box. Various mounting clips and parts are all placed in a zip lock back and you also get a fan and a manual. This 620 version has a single fan for the radiator, but there is also a 920 version that runs dual fans on the radiator and we are going to take a look at that in a separate review.

Antec KÜHLER H₂O 620 Antec KÜHLER H₂O 620
Please click on thumbnails for bigger images

The cpu heatsink is covered by plastic on the bottom since they have decided to mount thermal paste at the factory to make it easier for the user to install this. Personally as a computer geek I would prefer it not to be there as I have to remove it and put on my own preference of thermal paste. The radiator is quite small and fits a 120 mm fan on both sides of needed, Antec has only decided to run this with one fan.

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