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Cooler Master Seidon 120M Liquid Cooler (inc. Dual Fan Performance 2x Noctua NF-F12)

We measured the noise output of our entire system from a distance of 1m while the CPU cooler's fan operated at 100% (indicating the maximum noise output).

Lower noise levels can be achieved by utilising the 4-pin PWM operation of the Cooler Master Seidon 120M CPU cooler's fan.

Acoustic performance isn't a strength for the Seidon 120M – the cooler is loud at 100% fan speed. We would wholeheartedly recommend making use of a PWM profile which allows the fan's speed to be decreased at lower CPU temperatures.

When not being overshadowed by the fan's noise, the Seidon 120M's pump unit is actually very quiet and inaudible over low speed case fans.

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6 comments

  1. Super review Luke. I have to order one of these, what a great deal IMO

  2. This is an excellent cooler, the all in ones are hard to beat now. I had a D14 for a while and loved it, but it was so hard to get at anything inside the case it blocked half the motherboard !

  3. Charles Etheridge

    I recentl got a Seidon 120M and it seems to work very nicely. I did add a C/M Turbo Master Mach 1.8 fan on the case side, which didn’t seem to add any perceptible noise. The one change that I would really like would be the ability to raise the water pump speed. With the two fans it seems that increasing the WP volume would be an excellent option. I’ve got a mildly overclocked i7 – 930 and when running a WSE scan, for instance, hte core temp can still rise to as high as 175 F, so a bit more water flow would be nice. I ahve it in a HAF 922 case and there is plenty of room. I’m about to add a 200mm side fan as well as the original rear case fan at the bottom of the case, and things still won’t be crowded

  4. Did you happen to try installing the fan with an exhaust setup? How much difference would you think the performance/results change?

  5. I am thinking of buying a Seidon 240, which you can front mount in a N200 case (both products by Cooler Master). If I do front mount is the air being drawn into the case to cool radiator or am I venting air outwards through the front?

    It seems to me air in through the front would mean the heat from the radiator being directed into the case. But i have never thought of front fans becoming exhausts, so perhaps this is correct.

  6. Hi, I have got this cooling system, but it is incomplete. I would like to but an AMD socket. Has anyone got to sell?