Keep pre applied thermal paste or apply my own? What do you do?

31 Comments

  1. DasGhost94

    Mx-4 is the pre applied. I would keep that. You can always change it if you find the temps are bad.

    Pre applied. It’s mostly the best applied thermal paste layer.

  2. I always wipe the pre-applied off and use something I am familiar with. Does it make a difference? Probably not. That won’t stop me, tho

  3. IsolatedHammer

    I use graphite pads. Same temps as I get with artic silver 5, but no mess to clean up and can be re-used.

  4. Mydadleftm8

    Just keep the pre applied thermal paste. Mx 4 is good quality anyway, I’ve been using it for years.

  5. Djghost1133

    Always keep pre applied. Its pretty much as even as it’ll get.

  6. AlivePalpitation7968

    MX-4 is high tier (budget friendly, high tier) thermal paste. Unless youre running kingpin extreme or a paste from thermal grizzly.. or maybe like mx-6 even tho they have about the same results, dont worry about repasting.

    Also its done by a machine so its going to be more level than youll ever get it

  7. Bright-Efficiency-65

    Paste is cheap. If you have some apply your own

  8. SFDessert

    I always use the pre-applied paste when getting a new cooler. I don’t know if my 5800x runs hotter than usual or if I’m doing something wrong, but with two coolers (one 3x 120mm radiator and later on one 2x 140mm radiator) my CPU is always running hotter than the temps I see others getting. It idles at like 42c iirc, but I’m regularly seeing temps in the upper 70s to low 90s when gaming.

    Edit: It seems to throttle itself at 91° so I’m not worried about damaging it and it runs fine other than the temps. I don’t worry about it, but I do wonder why others seem to have such lower temps than I do in their builds.

  9. VelBarphette

    They have mx4 preapplied. I’ll just keep it

  10. slappada-bass

    I use mx4 when I have to add it myself.

    Mx4 is really good paste.

  11. Secondaccountpls

    Cant get much better than even coating of pre applied mx-4. Keep it and enjoy your system 🙂

  12. always check viscocity and eveness of the paste but using the preappyed is fine. if youy see Temp numbers off the expected, clean then change. its not a big deal. use a lot. and trust thermodynamic.

  13. Pixelonee

    I mean mx4 is some damn good paste. I’m using mx6 in my build and my temps are very nice for an overclocked Ryzen 7

  14. mizka900

    If you have to ask then just go with the pre applied

  15. NoShock8442

    What cpu are you using to where that cooler is sufficient lol?

  16. rednitro

    I kept it and added a little just to be sure. Turned out to work just fine.

  17. I add my own. If you are asking other people what to do you should really probably just leave it

  18. Depends on the brand of the cooler and what paste they use, but I usually keep the pre-applied one unless it’s really bad. MX 4 is good paste anyways. Unless I am building something really high end, that would benefit from a premium paste, I won’t bother changing it.

  19. So I did an experiment with this, as a bet with a friend.

    Last year my old rig died on me and I bought a new system with the then brand new 7950x CPU.

    I knew that AMD Ryzen CPUs tend to get a bit hot, so I bought the H150 elite LCD from Corsair.

    When the parts came over I made a bet with a friend who supported that pre-applied and user-applied paste would make no difference, whereas I disagreed.

    The terms were if he was right, he would have the satisfaction of being right and vice versa but in case of any damage he’d cover the costs, because he was so sure.

    One full year of using pre-applied paste it looked ok even without undervolting the 7950x but my idle temps in the winter would be 45-50 on CPU and 36 – 40 on liquid.

    Under load, the CPU would frequently go up to 92-93 (95 on stress tests) and liquid 48-55.

    About a month ago, when the year was finally over, I opened my PC up, removed the cooler, only to find that the pre-applied paste had dried up completely, and had a similar consistency to that of chalk.

    A lot of isopropyl alcohol later, I used a generous amount of Arctic’s MX6 and booted up.

    My temps are now 40-45 idle CPU and 30-32 liquid, and under load CPU gets all the way up to 65-66 (didn’t run any stress tests yet, I might when I get home later on) and liquid goes up to 37.

    The above temps were noted during the winter, with an ambient temperature of ~22 Celsius. I didn’t include any summer readings because it gets really hot here (usually over 44 Celcius.

    With the above data, it’s safe to assume that keeping a pre-applied paste would definitely work, but if you apply your own, you might get better results under load.

    TLDR; made a bet about keeping pre-applied paste instead of using my own, universe did not implode. 1 year later switched to MX6, saw little difference in idle temps, but a vast difference under load.

  20. sutty_monster

    Not sure why everyone is getting down voted for saying reapply.

    There is a number of good reasons too. While yes this cooler comes with decent paste.

    – Many don’t say what it is that’s applied.
    – The item could have been stored poorly at temps or humidity that could affect the stock paste.
    – The cooler could have been stocked for a prolonged time

    It’s cheap to even get thermal grizzly 1g tubes. Which is more than enough for an application. Takes all of 5minutes to clean off the stock and reapply. In the end it will come down to personal preference.

  21. Unless there’s visibly anything wrong with it then you’d be fine to keep it

  22. FurryBrony98

    Arctic makes great thermal paste I’d keep it

  23. Ninjamasterpiece

    My pure rock 2 had pre applied and it doesn’t get over 60 but stays around 50-52

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