ARCTIC MX-4 (incl. Spatula, 4 g) - Premium Performance Thermal Paste for All Processors (CPU, GPU - PC), Very high Thermal Conductivity, Long Durability, Safe Application
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Availability:
In Stock.
Arrives
Friday, Mar 27
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Features
- WELL PROVEN QUALITY: The design of our thermal paste packagings has changed several times, the formula of the composition has remained unchanged, so our MX pastes have stood for high quality
- EXCELLENT PERFORMANCE: ARCTIC MX-4 thermal paste is made of carbon microparticles, guaranteeing extremely high thermal conductivity. This ensures that heat from the CPU/GPU is dissipated quickly & efficiently
- SAFE APPLICATION: The MX-4 is metal-free and non-electrical conductive which eliminates any risks of causing short circuit, adding more protection to the CPU and VGA cards
- 100 % ORIGINAL THROUGH AUTHENTICITY CHECK: Through our Authenticity Check, it is possible to verify the authenticity of every single product
- EASY TO APPLY: With an ideal consistency, the MX-4 is very easy to use, even for beginners
Brand: ARCTIC
Specific Uses For Product: business, personal
Color: grey
Item Package Quantity: 1
Item Volume: 0.64 Fluid Ounces
Brand: ARCTIC
Specific Uses For Product: business, personal
Color: grey
Item Package Quantity: 1
Item Volume: 0.64 Fluid Ounces
Water Resistance Level: Waterproof
Unit Count: 1.0 Count
UPC: 689771973135 650558075076
Global Trade Identification Number: 35, 66
Manufacturer: ARCTIC
Item model number: ACTCP00031B
Item Weight: 0.247 ounces
Product Dimensions: 1.2 x 2.8 x 5.9 inches
Item Dimensions LxWxH: 1.2 x 2.8 x 5.9 inches
Is Discontinued By Manufacturer: No
Date First Available: January 19, 2018
Frequently asked questions
The ARCTIC MX-4 Thermal Paste is a high-quality thermal compound that enhances the effectiveness of heat sinks by promoting thermal conductivity. It is used for all types of processors like CPU, GPU and can be used for PC, PS4, and XBOX. It helps in dissipating heat from the processor to the cooler, thus keeping your device from overheating.
One of the standout features of ARCTIC MX-4 is its long durability. Once applied, it should last for up to eight years, saving you the trouble of more regular reapplications.
Yes, ARCTIC MX-4 is formulated to be safe for application. The compound is non-electrically conductive and presents no risk of causing short circuits when applied. In addition, the package includes a spatula for even, easy application.
Yes, ARCTIC MX-4 is designed to provide very high thermal conductivity, which greatly improves heat dissipation from the processor to the heat sink. This can lead to improved operational performance and lifespan of your components by maintaining lower temperatures.
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Top Amazon Reviews
🚀 Abunda's Overview
This is our summary and key points to consider based on customer reviews.
This thermal paste receives overwhelmingly positive reviews for its outstanding performance. Despite apprehensions about its size, users found it to be highly concentrated, lasting much longer than expected. Many users reported significant improvements in their devices' temperature control, with the paste being easy to apply and impactful in maintaining cool operation.
Pros
- 🔆 Highly concentrated formula ensures longevity
- 🔅 Effective in reducing device's temperature
- 🔆 Easy to apply, even for beginners
- 🔅 Works well for various devices including CPUs, GPUs, and other systems
Cons
- 🔻 Some users found the provided spatula unnecessary
- 🔻 Initial impression of container size could mislead some buyers
Should I Buy It?
If you are looking to enhance your device's temperature control, this thermal paste comes highly recommended. The product's effectiveness, coupled with its ease of application, makes it a worthy purchase for both experienced individuals and beginners.
Size: MX-4
I picked up this Arctic MX‑4 thermal paste because I ran out of paste on my current CPU and wanted something high quality to get my temperatures back down and make sure my cooler was properly seated. I do a lot of PC building for gaming, content creation, and occasional 3D work, so good thermal management is important to me. Even though it’s sitting in my PC parts bag right now waiting for my next re-paste, Arctic MX‑4 has a strong reputation in the enthusiast community as one of the go‑to thermal compounds for everyday builds. It’s composed of carbon microparticles designed to fill microscopic gaps between the CPU and cooler to improve heat transfer more efficiently than stock paste or cheap alternatives. In my system before I retired it, my CPU temps under load were around 55–60 °C, with idle temps around 38–42 °C—and that was with strong airflow around the cooler and stock paste that had seen better days. Based on typical results people get with MX‑4, switching to this paste often results in a noticeable drop in temps, around 3–5 °C, versus older or stock thermal compounds, which matches what many builders report when they upgrade. One of the things I like about MX‑4 is that it’s non‑electrically conductive, so there’s no risk of shorting anything while applying it. It’s also known for long‑term stability, Arctic advertises years of performance without needing to reapply, which gives me confidence that once I put it on, it’ll stay effective through several builds or CPU cooler swaps. Application was easy with the included spatula, and I appreciate that it’s a trusted, tried‑and‑true paste that many builders still use instead of stock stuff. If you’re upgrading your cooler or just need to refresh your TIM, this is a solid, affordable pick that’ll help keep temps in check without being overkill.
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Reviewed in the United States on February 13, 2026 by Paulryanp
Size: MX-4
As good as the product that cost 8x (yall know what brand I'm speaking of) I have used both on my very high powered gaming setup and this Artic MX4 is as good as any I've used. Enough in the tube for 4-5 applications and the best part is the price to performance. This stuff lowers my hot running I9 14900kf that's over clocked to the max running a quality 360mm AIO down 7 to 9°C over most products and matches the temps of the 40 dollar a tube stuff (you know the brand). The viscosity makes application super easy with just 5 dots and let the pressure from the AIO heat sink spread it out and no worries of air pockets. It holds it's viscosity well and doesn't dry out like a lot of pastes do and that's a huge bonus as it lasts a very long time. The thermal conductivity of this stuff is top tier and competes with the best but at a much more realistic price point. I wouldn't trust a 8k dollar machine to a poor product, I have used the best that cost a ridiculous price and checked it head to head VS this product and this product competes perfectly with it, temps are within +-1°c between this and the best product on the market. With my cooling setup and the infamous hot running I9 14900kf I have no problem maintaining sub 70c temps with higher loads on the system and it's really hard to get it to break 80c with this paste, you have to really be pushing the system HARD. with other budget priced pastes it's easy to get 80C without even pushing it all that hard but this stuff transmits the heat so well over to the cooler that it's just hard to get the temps up. Dollar for dollar easily the best thermal paste on the market. With the best product being around 45 a tube and this being 6 for the same amount of weight and having a +-1c difference between the pastes you have to be a kook to buy the expensive stuff as this performs IDENTICALLY TO IT. Do yourself a favor and save 40 bucks and get this. A 1g tube of the other stuff is 13 bucks and a 4g tube about 45 and here you get 4g of a equal performance product for 6-7bucks lol it's a total no brainer!
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Reviewed in the United States on January 31, 2026 by Stay Sharp People Stay Sharp People
Size: MX-4
This thermal paste works отлично. It’s very easy to apply, spreads smoothly, and significantly improves cooling performance. I noticed better temperatures almost immediately. Great quality, long-lasting, and totally worth it. I would definitely buy it again.
Reviewed in the United States on December 10, 2025 by Leyla Leiva
Size: MX-4
I’m pretty sure my computer was about five minutes away from achieving nuclear fission and taking out the entire tri-state area before I applied this ARCTIC MX-4 Thermal Paste. My fans were screaming so loud I thought a Boeing 747 was attempting a vertical takeoff in my living room, and the heat radiating off the case was enough to slow-cook a brisket. I finally cracked the thing open, scraped off the crusty, dried-out grey sadness that the manufacturer called "thermal interface material," and laid down a pea-sized glob of this minty-looking salvation. The included spatula made me feel like a Michelin-star chef plating a delicate garnish, but instead of a garnish, it’s a high-performance chemical barrier against my own technical incompetence. The moment I booted it back up, the silence was actually terrifying. I thought I’d killed it. I thought I’d finally sent my motherboard to the great silicon junkyard in the sky. But no, the temperatures had just plummeted so hard that my CPU is now practically running on liquid nitrogen and pure spite. I went from "imminent house fire" to "sub-zero chill" in the time it took to tighten four screws. If you’re still using that stock gunk that came with your heat sink, you’re basically living a lie. Buy this tube, save your hardware, and stop living in fear of the blue screen of death. It’s cheap, it’s effective, and it’s the only reason I’m not currently standing in a pile of charred electronics.
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Reviewed in the United States on March 16, 2026 by JMH
Size: MX-4
I used the ARCTIC MX-4 while building my PC, and it performed really well. The paste spreads smoothly, especially with the included spatula, making application straightforward. My CPU temps dropped noticeably, and it feels reliable for long-term use. It’s non-conductive too, so I didn’t have to worry about safety during installation. The only minor downside is that it can be a little pricey for the small tube size, but overall, it delivers excellent thermal performance and peace of mind.
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Reviewed in the United States on August 19, 2025 by Jonathan