ARCTIC MX-4 (incl. Spatula, 4 g) - Premium Performance Thermal Paste for all processors (CPU, GPU - PC, PS4, XBOX), very high thermal conductivity, long durability, safe application, non-conductive

Customer Reviews

• R.

  I hate to love this stuff!

  This stuff works great. I like the applicator and the included spreader. It goes on nice, but it's hard to cleanup. Alcohol helps with cleanup. I'm using this to attach TEC1-12706 modules to aluminum water cooling blocks. I was tired of getting it all over my fingers when handling the blocks. So, I decided to try some adhesive thermal pads instead, but they just don't work as well. I got some of the most conductive pads I could find, but they don't perform nearly as well as this paste does. It's easy to see with my particular application because the cooling module power consumption drops quickly as the hot side gets hotter. With the thermal pads, I could not keep the TEC1-12706 operating at spec for more than a few seconds. The pads just don't conduct heat fast enough. With this paste, the module stays at spec all day long. It's a massive difference.

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• J. A.

  Worked great for re-pasting my Nitro 5 laptop.

  I was experiencing high temps with my Avery Nitro 5 gaming laptop. After taking it apart for a thorough cleaning I noticed the original thermal paste was cracking and crumbling around the edges. I’m my experience poor cpu/gpu thermals play a big role in overall performance. I used the Heaven Benchmark and 3D-mark software to test the cooling performance before and after repasting. I was able to achieve about a 20 degree (Celsius) difference after cleaning my cooling fans and heat-sinks. I was extra careful and thorough while removing the old thermal paste before applying the MX-4. Overall the process was not difficult and I no longer cpu/gpu thermal throttling and my laptop fans are much quieter overall. I highly recommend Arctic MX-4 for re-pasting if you are in a similar situation.

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• C. S.

  A most under-appreciated item.

  I am about a week on the other side of a recent system build. Meaning that the new system has been in service for about a week. Why did I label this an under-appreciated item? Because without it the CPU probably wouldn't have lasted a minute. Ok, the truth is that if one is building on a motherboard built this century, then the board itself is probably smart enough to shut things down before the CPU cooks. But if one has built a system in the past year, then one knows just how difficult it is to get the core components at present. So, yeah, cooking the CPU would have a more profound and less recoverable connotation.Enter, thermal paste. More specifically, enter one of the most recent formulations of thermal paste. I chose this one because it has significantly higher thermal transmission gradient than the best formulations available just a few years ago, and came in at half the price of its next competitor (at the time of purchase). In reality, they are all priced about the same, but many come with half the volume of stuff inside the tube. And suppose one makes a mistake the first time had needs a do-over (that didn't happen to me, but I prepared for it none the less). So, at about $9 for 4 ml; if this were gasoline it would cost over $170K to fill a 20 gal tank! The other guys were selling 2 ml for the same price so thankfully my car doesn't run on this stuff.But not using it can spend about $200 to $20,000 (Intel Xeon and AMD Epyc CPU builds can start touching this magnitude of cash) in less than a minute. So far, I have stressed my system during video rendering and compositing on a few occasions - it's ok, that's what it was built to do. The CPU is factory rated at 90 degrees C - that's almost hot enough to boil water, but that is the factory established LIMIT. Using this paste along with a liquid-cooled thermal management scheme, my CPU has never gone above 61C during any operation to date including the most stressful. The thermal paste is the transmitter between the CPU and the heatsink. So no cooling strategy will be any more efficient than the paste will allow.Another reason for purchasing a tube with extra paste; some builds use more than one CPU, and sometimes there's an options to provide additional cooling to the GPU. M.2 memory tends to run pretty warm and use heatsinks as well. The point being, anytime there's a heatsink, using thermal paste at the junction will enhance the heatsink's ability to cool the component - the better the paste, the more efficient the cooling. And cooler components run faster and smoother. Solid State memory slows down significantly at higher temperatures, it's called throttling for anyone looking at their first build. So I probably used less than 1 ml to install the CPU - it's more art than exact science, but having more left over is helpful if one has numerous heatsinks to treat during the build.This paste emerged from the tube in a predictable manner - which is good considering the cost per ounce. It came with a mini-spatula for spreading. It sort of resembles a pizza peel if one were providing their pet hamster with its own pizza oven, but I digress. Spreading the paste prior to installing the CPU cooler was very easy and controllable. I was able to achieve edge to edge over the CPU without any dripping to the motherboard - nice, neat, mess-free application. There's also a rating for noise level....ok....um...this paste is pretty quiet. (Bolo asks reviewers to rate a few areas that are not necessarily presented in the public review space other than as an aggregate score).My CPU was at 24C (room temperature) when I powered up this afternoon. It is now at 37C and hasn't gone above 43C during this session. That was probably during Windows boot up. It runs typically between 34C and 38C during low demand. I have read some reviews in which folks describe their systems as running nominally ay 70C! (Methinks these are gaming rigs under full load). So, I guess based on all of this, this paste is pretty effective. But it can only be as effective as the rest of the cooling system it supports. At least I can confidently say that it is not likely to be a weak link - and it has a rating for efficacy over 8 years! I would purchase it again - but I wouldn't fill the gas tank with it.

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• J. R.

  Been using MX for years ......

  Been using MX for years (15+) and Ive been very happy with results and even more so with version 4 . I do ALOT of pc builds or repirs over the last 30+ years and have not had a single problem with this product and is when of the best to spread and use on very highend systems (and with high overclocks) . ~ Ive yet to feel the need to look or go elsewhere for my thermal paste . ~ On a side note Ive yet to try version 5 , as Iam so happy with version 4 . ~Highly recommend !

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• F.

  10° Idle CPU Temperature Drop with AMD Ryzen 5 3600 Stock Cooler

  My AMD Ryzen 5 3600 was running hot on idle with the stock Wraith Stealth cooler that came with it. Instead of buying a new cooler, I decided to change the thermal paste from the stock paste to this one. The result of idle temps?Before Arctic Thermal Paste 47°-53°After Arctic Thermal Paste 38°-43°By the way, the best way to spread the paste is actually spreading it across the entire surface. The 1 dot, 5 drop methods aren't very consistent and spreading is preferred. As for how much? It should go on as thin as possible. its only supposed to cover up the microscopic gaps in the metal contact areas.

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