With the Maxtor CTG12, the manufacturer is launching a new top-of-the-range model on the market after the CTG10. The nomenclature leaves no doubt that it is not just an addition, but the direct successor. I had already tested the CTG10 and classified it in my database as a solid paste with good performance, so expectations of the new CTG12 are correspondingly high. The market is now in a state of flux. Many companies have revised their old formulations and the top group is becoming increasingly dense. This means that it is no longer enough to rely on simple application alone. The decisive question is whether the CTG12 will actually make it to the top or whether it will fall behind the strong competition despite its claim.
To find out, I tested the CTG12 directly in comparison with the CTG10. This clearly shows whether Maxtor has made real progress with the new paste, not only in terms of user-friendliness but also in terms of performance.
What you get
With the CTG12, Maxtor is sending its new top model into the race. There was a lot of speculation beforehand, from alleged values beyond 20 W/m-K to a phase-change paste with a completely new approach. But it is precisely these rumors that I can refute with today’s exclusive first test report. The CTG12 is a very highly filled, classic thermal compound that does not require any exotic tricks, but instead relies on tried and tested principles.
It should not be forgotten that ease of use is at least as important as the last bit of performance. In practice in particular, clean and uncomplicated application often determines whether a product is really convincing. Added to this is durability, which should not be underestimated if a system is to remain stable in the long term.
I received the CTG12 directly from Maxtor for this test. So far there are no official specifications, no data sheets and no standard packaging. Accordingly, there is neither a box nor any enclosed accessories to be seen today, but only the syringe with the new, still mysterious paste. This means that we are entering uncharted territory together and can classify the CTG12 from the ground up – without prior knowledge, but with clear measurements.
So, let’s go!
| Material analysis and microscopy | Basic knowledge | |
 Here you can find out why effective thermal conductivity and bulk thermal conductivity can be completely different in practice, what role the contact resistance between the surfaces and the paste plays and how thermal paste can be measured accurately. There is also a detailed description of the equipment, the methodology and the error tolerances. |
 You will learn how laser-induced plasma spectroscopy works and the advantages and limitations of the measurements. There is also high-resolution digital microscopy and analysis of particle sizes. This information is also used to estimate the long-term stability of a paste. |
 Anyone who has always wanted to know what is or is not in a paste and how these pastes are produced will find what they are looking for here. The basic article provides a better understanding of what is often sold for far too much money and sometimes with adventurous promises. |
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