North noted that the grease Alienware used was already the “best in class” and no slouch. North said the company saw a 7.5 degree improvement over the conventional thermal grease the company has used before. “It looks like a grease, you apply it, compress the heat sink by screwing it down, it breaks the bonds of the silicone so we get liquid-metal to die touch points and to the base of the heat sink touch points,” he said.ĭespite Element 31 not having the electrical conductivity of conventional liquid metals, North did say Alienware still took the extra safety step of fencing Element 31 off which is what most laptop makers have had to do with their liquid-metals.Įlement 31 yielded a significant performance advantage too. Where Element 31 differs is the ease and safety of application. “In addition, the fillers corrode in the presence of water vapor, so you get a degradation of performance over time and it’s very corrosive in the presence of aluminum,” North said during a press briefing on the new laptop’s cooling. You can see Alienware’s Element 31 on a CPU die before the cooler is attached, which crushes the encapasulated gallium liquid metal and creates safer and more efficient cooling material. Dell’s Travis North said while conventional liquid metal has great thermal conductivity, it’s also electrically conductive, which isn’t great in a computer where it can potentially short out components.
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