titleWhen it comes to keeping your fancy new CPU cool there are so many options available that it can be very confusing. You really can have just about any style and performance if your budget allows it. Recently sealed water cooling kits have been all the rage and in the past 6 month/year larger 240 kits have been popping up from all of the manufactures as well. Cooler Master is no different than everyone else, they recently jumped in with their take on them with the Seidon 120M and now today they are introducing the Seidon 240M variation. Let’s take a look to see how it performs.

Product Name: Cooler Master Seidon 240M

Review Sample Provided by: Cooler Master

Written by: Wes

Pictures by: Wes


CPU Socket

Intel LGA 2011 / 1366 / 1156 / 1155 / 775

AMD Socket FM1 / AM3+ / AM3 / AM2

Main System Dimensions

70 x 27 mm (2.75 x 1.1 inch)

Radiator Dimensions

273 x 120 x 27 mm (10.7 x 4.7 x 1.1 inch)

Radiator Material


Fan Dimension

120 x 120 x 25 mm (4.7 x 4.7 x 1 in)

Fan Speed

600~2400 RPM (PWM) ± 10%

Fan Airflow

19.17 ~ 86.15 CFM ± 10%

Fan Air Pressure

0.31 ~ 4.16 mm H2O ± 10%

Fan Life Expectancy

40,000 hours

Fan Noise Level (dB-A)

19 ~ 40 dBA

Fan Bearing Type

Rifle bearing

Fan Connector


Fan Rated Voltage

12 VDC

Fan Rated Current


Fan Power Consumption

3.6 W

Pump Life Expectancy

70,000 hrs

Pump Noise Level

< 25 dBA

Pump Connector


Pump Rated Voltage

12 VDC

Pump Load Current

0.15 A

Pump Power Consumption

1.8 W

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