Cooler Master Seidon 120XL CPU Cooler Review

Hardware Secrets Golden Award


The Cooler Master Seidon 120XL is a liquid cooling system for processors. It has a 120 mm radiator with two 120 mm fans. Let’s test it.

As with any sealed liquid cooling system, the Seidon 120XL comes with the coolant liquid pre-filled inside the loop (block, radiator, pump, and hoses). We recently tested a simpler version of this product, the Seidon 120M. The main difference between them is the thickness of the radiator (28 mm in the 120M vs. 38 mm in the 120XL), and the fact that the Seidon 120XL comes with two fans.

Figure 1 shows the box of the Cooler Master Seidon 120XL.

Cooler Master Seidon 120XLFigure 1: Package

Figure 2 shows the contents of the box: the radiator-block set, fans, a Y-harness, manual, a small syringe of thermal compound, and installation hardware.

Cooler Master Seidon 120XLFigure 2: Accessories

This watercooler is discussed in detail in the following pages.

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Author: Rafael Coelho

Rafael Otto Coelho is a physicist with a master's degree in Education, and is a college professor in Brazil.

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