Real World Labs calls the Antec KÜHLER H2O 620 "The Real Deal"

"Performance is up there with the best CPU Coolers in the market currently, the cooling tubes are very flexible (compared to other similar products) and feature a 90 degree swivel function, the 120mm fan is quite more silent than the ones found in similar kits, it uses a low-profile pump and the radiator is also further improved."
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