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post #1 of (permalink) Old 03-13-2019, 06:31 AM - Thread Starter
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[OCN LABS] 280MM CPU Cooling Fight! Enermax Liqtech II 280 AIO vs Swiftech H240X2 Prestige (custom water)

I have been an avid watercooler for quite a while, something like 10 years or so...So when a claim comes out saying that a 280mm radiator can dissipate 500 watts, well I want to know how. I have seen thick radiators that can’t dissipate half that amount, so what does Enermax have in terms of special sauce?


Hey what’s up OCNers! Bluedevil here. AIOs are pretty much the golden standard when it comes to high end CPU coolers. Those whom would want more, will go for more exotic cooling, or go custom water and I just happen to have a Swiftech H240X2 Prestige, which is part custom water, part AIO. So my question is, can the Enermax Liqtech 2 280mm beat the Swiftech H240X2 Prestige?

Now the Enermax Liqtech 2 series is being marketed as high efficiency performance, namely claiming to be able to support 500w+ TDP. Having a patented Shunt Channel Technology, which boosts thermal conductivity and increases the heat exchange rate by 30%. The integrated EF1 pump, which boosts it’s 7 times more powerful than other traditional AIO pumps. Taking both the EF1 and the Shunt Channel Technology, this might be Enermax’s secret in able to cool such a high TDP.

Now what would be an AIO be today without aRGB? Well surprisingly enough, there is only one element of aRGB, on the EF1 pump/block. It’s subtle, yet tasteful at the same time. Controlling it is easy from your 5v 3 pin header on your motherboard or by using the included wired controller. Which enables you to control up to ten preferred lighting effects with colors, brightness, and speed. Personally, the included controller, is great for people that haven’t yet upgraded to a motherboard that has a 5v 3 pin header.

The new 140mm fans might also add to the secret sauce that Enermax has been brewing up as well. The innovative high pressure fan blades are more of a swept blade design rather than traditional fan blades, rated to provide 32 to 81 cfm of static pressure through the aluminum 280mm radiator. Speaking of radiator, the FPI, or Fins Per Inch, also might be another ingredient on why the 500W TDP is present. Having a high FPI increases surface area, effectively allowing for more cooling headroom, which the Liqtech 2 280mm has a very tight fin stack.

Ok, enough talky talky, let’s look at some numbers

My bench system is a Intel 8700K overclocked to 5ghz, on an Asus Z370 Maximus X Code motherboard, 16GB of DDR4-3000 from Team Group, and a Zotac GTX 1070 Ti Amp Extreme. Also being an AIO test, this was performed on an open air test bench, the Streacom BC1. Installation was pretty standard, so if you have installed an AIO liquid cooler before, the Liqtech 2 280mm is no different.

Temp test

DB sound test

Alright, in the world of AIO coolers, the Liqtech 2 280mm offers some of the best cooling available. Just looking at my test results, I would say that if anyone wants near custom WC, with pretty much the same temps and noise, well the Liqtech 2 280 might be your next AIO. At $150, the Liqtech 2 280mm starting to skirt the pricing of some custom kits, that offer much more expandability. Even at sub $150, the Corsair H115i is quite popular, and should offer comparable performance.

Pricing aside, the Liqtech 2 280mm AIO is really nice. The finishes like the heatsinks on the side of the radiator, the rubber dampeners on both sides of the fan mounts, everything just feels polished. This brings me back to my original question, can and does the Liqtech 2 280mm dissipate 500 watts? I wouldn’t think a 280 aluminum radiator can.

Downsides are pricing with a dash of an overzealous dissipation claim.

With that 4 out of 5 flames.

Ok guys, it’s been real, it’s been fun, it’s been real fun. If you haven’t liked and subscribed by now, you know what to do!

bluedevil out.

Liqtech II 240

Liqtech II 280

Liqtech II 360

Liqtech II 240

Liqtech II 280

Liqtech II 360

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Last edited by ENTERPRISE; 04-09-2019 at 10:38 AM.
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