Summary and conclusion
The Alphacool Apex is, I can already spoil it, better than some hyped thermal paste, but also not the best that I have measured so far. However, due to its composition and the fact that it comes from one of the major manufacturers, it is stable over the long term and therefore also suitable for converting graphics cards (“re-paste”) or for use in PC systems that are to work untouched for longer. It is a compromise between performance and durability, which is definitely worth something in this day and age.
The claim of thermal conductivity, on the other hand, is a marketing lie, it has to be said. Very good silicone-based pastes with corundum and zinc oxide may go up to 7 or 8 W/(m-K) as a bulk value, but here it is a pure corundum filling in a fairly durable silicone matrix. The almost 3 W/(m-K) for the effective thermal conductivity is almost the optimum. Some (honest) manufacturers now omit the bulk value with the embellished values for the bulk thermal conductivity, because lies have short legs or none at all. Depending on the language area.
That concludes the first thermal paste test and I am sure that we will now be publishing such tests quite frequently. Provided, of course, that readers are interested. But I’m almost certain of that. I’ll rebuild the charts for the second test and cumulate the results differently for greater comparability. And we’ll start with the database at the same time, it just has to be…
I refer you once again to my request for more pastes, because the selection and the stock can never be big enough!
Alphacool Apex Wärmeleitpaste, 1g (13037)
![]() | Lagernd im Außenlager, Lieferung 2-3 WerktageStand: 01.07.24 23:25 | 3,93 €*Stand: 01.07.24 23:27 |
![]() | lagernd: 250+ | 3,94 €*Stand: 01.07.24 23:27 |
![]() | Auf Lager | 3,97 €*Stand: 01.07.24 23:27 |
Alphacool Apex Wärmeleitpaste, 4g (13036)
![]() | Lagernd im Außenlager, Lieferung 2-3 WerktageStand: 01.07.24 23:25 | 11,85 €*Stand: 01.07.24 23:27 |
![]() | lagernd: 250+ | 11,86 €*Stand: 01.07.24 23:27 |
![]() | Auf Lager | 11,98 €*Stand: 01.07.24 23:27 |
Alphacool Apex Wärmeleitpaste, 20g (13096)
![]() | Lagernd im Außenlager, Lieferung 2-3 WerktageStand: 01.07.24 23:25 | 46,50 €*Stand: 01.07.24 23:27 |
![]() | lagernd: 50+ | 46,51 €*Stand: 01.07.24 23:27 |
![]() | Auf Lager | 46,98 €*Stand: 01.07.24 23:27 |
Alphacool Apex Wärmeleitpaste, 50g (13097)
![]() | Lagernd im Außenlager, Lieferung 2-3 WerktageStand: 01.07.24 23:25 | 98,44 €*Stand: 01.07.24 23:27 |
![]() | Im Außenlager verfügbar | 98,45 €*Stand: 01.07.24 21:23 |
![]() | lagernd: 50+ | 98,98 €*Stand: 01.07.24 23:27 |
Alphacool Apex Wärmeleitpaste, 100g (13098)
![]() | Lagernd im Außenlager, Lieferung 2-3 WerktageStand: 01.07.24 23:25 | 176,99 €*Stand: 01.07.24 23:27 |
![]() | Im Außenlager verfügbar | 177,00 €*Stand: 01.07.24 21:23 |
![]() | lagernd: 50+ | 178,18 €*Stand: 01.07.24 23:27 |
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