Expect good results if applied correctly. I usually shoot for a star pattern, not too much and not too close to the edge of the CPU heat spread. One good size pea in the middle of the CPU with four smaller dots to cover the corners. Worked very well with the Intel Duo Core 6700 CPU. The AMD X4 750K CPU application also worked nicely, though may require more coverage due to the 4 cores and larger heat spreader. In addition, cleaning the contact surface of the CPU cooler thoroughly with coffee filters and 90% rubbing alcohol helps quite a bit. Switching from a stock cooler to one with adequate copper heat pipes is also a big boost for cooling.
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I use this on all my computers. There are a few that will give a couple degrees better temps but are way more expensive. I just tried Thermal Grizzly Kryonaut. on my overclocked i7 4770k and it was 2 degrees better and 10 bucks for a gram, MX-4, 7 bucks for 4 grams. If your into squeezing every last drop out of your cpu get the more expensive stuff, it's not worth it for me. I'll stick with MX-4. It's supposed to last for 8 years too, at least that's what the warranty is on it.
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My old laptop had been overheating ever since the last time I had take it apart, since I knocked loose the heatsink I needed to re-paste it. Product was easy to apply although I did apply a bit too much, it came out easier than expected. The fact that this thermal compound doesn't conduct electricity is one of the reasons I picked it. I didn't want to have to worry about getting it on other components and causing a short. Ever since applying this thermal compound I haven't had an issue with my laptop overheating. Laptop is a first gen i5 and has ran hot since the day I got it, it seems to be running a bit cooler now, at the very least it's not overheating. I love that one of the questions I was asked to answer for this review was if the product is quiet, it most certainly is, hasn't made a sound, lolRead full review
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Originally I was exclusively using arctic silver 5 for my cpu thermal pasting. It worked well but I needed something for pasting my gpu that is non conductive. Did some research on pastes, mx4 seemed to be the best soulution for a non conductive paste that won't break the bank. I now only use mx4 for both my gpu and cpu needs. It seems to give me slightly better temperatures over as5, usually around 3-5c lower. Not a big difference but not bad for a non conductive paste. I will be sticking with mx4 for the foreseeable future until I find something else non conductive, cheap, and gives better temperatures. This thermal paste I highly recommend!
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WELL SOME SAY THAT IS DOES NOT MATTER, ALSO SOME SAME THAT ITS ALL THE SAME THING , BUT I AM HERE TO TELL YOU IT DOES MATTER WHAT YOU USE TO TRANSFER HEAT FROM ONE SURFACE TO ANOTHER . I HAVE BEEN BUILDING SYSTEMS SINCE THE LATE SEVENTIES AND I HAVE USED AT LEAST A DOZEN DIFFERENT COMPOUNDS , I EVEN TRIED TO MIX TWO OR MORE TOGETHER AND NOTHING WORKS AS WELL AS ARTIC FOR TRANSFERING HEAT AWAY FROM THE CPU I EVEN USE IT ON VIDEO CARDS AND I TELL YOU FOR A FACT IT IS THE BEST ON THE MARKET TODAY .
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