Cooler Master Seidon 240M All-in-One Liquid CPU Cooler Review


Cooler Master Seidon 240M All-in-One Water / Liquid Cooling Review

Despite the daunting bulk of the parts bag, installing the Seidon 240M can be accomplished in a handful of steps and is actually quite hassle-free.  Once the case is prepared, which will vary depending on your case (such as removing HDD trays for a forward 240mm intake or in my case, removing the top 200mm fan from the CM Storm Trooper) install the backplate and four pre-insulated standoff screws.  Then attach the mounting bracket to the base and apply thermal paste.  Then attach the base (while roughly positioning the radiator), and finally attach the radiator to the case, and the two (or four for push/pull) fans to the radiator.  The video below shows the installation process and also the installed cooler running on a 4GHz overclock on our i5-2500K, where we will show just how whisper quiet this thing is while keeping temps very low.


One interesting note is that one of the times I mounted the fans to the radiator, the fans were actually hitting the fan casing.  All that was needed was to loosen two of the screws and operation returned to normal, but you should be conscious of how hard you tighten down the included fans because the bezel appears to be prone to slight warping.


Test Setup



CPU Intel Core i5-2500K
Thermal Paste Noctua NT-H1
CPU Cooler Coolermaster Seidon 240M
Motherboard Gigabyte Z77X-UD3H
GPU Nvidia GeForce GTX 660
RAM 16GB (2x8GB) Kingston Predator
Primary HDD (OS) Kingston HyperX 3K 240GB SSD
2nd HDD OCZ Vertex 4 256GB SSD
PSU Cooler Master SPH 1050W
Chassis Cooler Master CM Storm Trooper
OS  Windows 7 Professional 64-bit


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