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Closed loop water coolers have been gaining a lot in popularity over the last year or so, and for good reason. You get an easy to assemble system compared to full on water cooling, and don’t have to deal with the hassle of regular maintenance of the coolants. The only downside is that you’re not able to customize your whole system as you would with traditional water cooling, but then the alternative of purely air based coolers leaves you in the same place.

Today I’ll be looking at a Cooler Master product, who’ve been looking to expand their territory in the water cooling solution that’s being dominated by Corsair and Asetek of late. The Seidon 240M is one of Cooler Master’s biggest heatsinks; although technically the size is mostly attributed to the radiator itself and the two 120mm fans attached on the front (or back).

Installation

Now when it comes to compatibility, the Seidon 240M can handle pretty much all modern CPU sockets, but installation isn’t the easiest task in the world. For our Intel testbed below, it took me roughly 10 to 12 minutes to assemble the Seidon 240M. Basically there’s a separate set of adapters to be applied to the CPU contact water-block in addition to the backplate on the motherboard. The instructions aren’t the easiest to comprehend either, but having assembled multiple heatsinks in the past I was able to understand at first glance; for a first timer, though,¬†this may or maynot be an issue.

Test Setup

Obviously our testbed is out in the open, but for general customers the radiator plus fans will be directly attached to the case, not hanging on the side. For testing the Cooler Master Seidon 240M, the below testbed was used.

CM 240 (1)

For the overclocked runs, I setup our i7-3770K processor up to 4.6GHz at 1.45v of steady power; anything lower than that and the benchmarks would eventually crash the whole system.

Benchmarks

CM 240 (2)

Conclusion

The Cooler Master Seidon 240M performs very well at stock settings with idle sound barely audible, while under load there was a low, but steady hum. However, after overclocking the CPU at 4.6GHz, the two fans went into overdrive and the resulting sound was pretty loud. When slowing down from idle it was similar to a large V8 engine¬†lowering its RPM as the air conditioner’s compressor turns off, which is rather unpleasant, especially when sitting so close to the testbed.

CM 240 (3)

 

The Seidon 240M is definitely a heavy duty cooler, but it’s performance while overclocked wasn’t as satisfactory as I’d wanted. Obviously, your mileage may vary depending on CPU type and the amount of voltage you apply. Clearly 1.45v is a lot, but for other processors even 1.2v to 1.35v will be enough voltage boost to get maximum overclock without pressuring the Seidon 240M too much.

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