Efficient but noisy
The performance is good, by putting 3 of them on my 360x60mm radiator the air is well sucked through the grilles and this even at low speed, the cooling is very efficient on my parallel watercooling:
3700X under load: stock 75°C, now 55°C
RX 5700 XT under load: stock 65°C, now 45°C
All this with a liquid metal thermal paste (Thermal Grizzly Conductonaut)
On the other hand on the level of the sound performances what is announced is misleading: indeed at medium speed the magnetic levitation suppresses the vibrations which have the ball bearings / plain bearings, on the other hand at full speed the air stirred at high speed (2400rpm!) creates a sacred whirring...
Otherwise, rubber bumpers are effective in containing the vibrations.
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