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Something Growing in Threadripper Liquid Coolers | Enermax Liqtech I Failure Analysis

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Published on Oct 4, 2019

The original Enermax Liqtech I TR4 liquid coolers are plagued with corrosion, gunk/build-up, blockages, and more corrosion.
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The original Liqtech I TR4 coolers should probably be formally recalled, but Enermax is trying to fix the issue by sending out revision II versions of its coolers to affected customers. Please let us know in the comments how your RMA experience is.

Consider buying something less nasty, like a Noctua NH-U14 TR4: https://geni.us/VBH9Po

With AMD's Threadripper 3 CPU release dates coming up in November, it's time to look at what has become the worst CPU cooler for Threadripper. Threadripper 3 will run high core densities and will need powerful cooling, so if you're looking for the best Threadripper coolers, it's important to know not to buy the Liqtech TR4 coolers.

The Enermax Liqtech TR4 liquid coolers -- the original ones -- were strongly recommended by our outlet on the basis of thermal performance. The coolers were exciting and used a properly-sized coldplate, which actually did benefit cooling in a meaningful way for the larger Threadripper dies. Unfortunately, reviews don't have a way to account for long-term use and endurance, and so no one had any way of knowing that these would fail so catastrophically. From what Enermax has told us, relating to the incorrect vacuum sealing process being used originally, we'd assume all original coolers are affected. Either way, these are gunked-up and jammed to a point where Threadripper CPUs are overheating even when idle or in BIOS, or sometimes they're jammed enough that the pump whines due to lack of flow. This isn't because there's not enough water, but because the water can't move.

Enermax has a serious problem on its hands with these coolers, and we must unfortunately revoke our recommendation for the Liqtech TR4 coolers.

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Editorial, Test Lead: Steve Burke
Testing, Additional Reporting: Jake Henderson
Video: Josh Svoboda, Andrew Coleman

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