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Thermal paste ARCTIC MX-4
ARCTIC MX-4 is a high-performance thermal compound formulated to improve heat transfer between heat sources and cooling solutions. Supplied in a 4 g syringe, the paste has a density of 2.5 g/cm³ and a blue colour. Manufactured in Hong Kong, this thermal paste is suitable for filling microscopic surface irregularities on CPUs and GPUs to enhance cooling efficiency.
MX-4 offers very high thermal conductivity in a non-conductive, non-capacitive formulation that is easy to apply. The consistency allows for precise placement and good spread without drying out quickly. The product is compact and suitable for repeated small applications.
Clean both mating surfaces with isopropyl alcohol and allow them to dry. Apply a small pea-sized amount of MX-4 to the centre of the CPU or GPU die. Install the cooler and tighten mounting hardware evenly to spread the paste into a thin, uniform layer. If reapplying, remove the old compound with a lint-free cloth and alcohol before placing new paste.
Use only the quantity necessary to form a thin, continuous layer; excessive compound can reduce thermal transfer efficiency. Store the syringe in a cool, dry place and keep the cap on to prevent contamination. Avoid contact with electrical contacts and ensure the paste is not used on surfaces where electrical conductivity is required.
The surfaces of processor chips and cooler floors are covered with microscopic dents; ARCTIC's MX-4 thermal paste is composed of carbon microparticles which fill these cavities. This leads to extremely high thermal conductivity, guaranteeing that heat is dissipated quickly and efficiently from the CPU or GPU. With its outstanding performance, the MX-4 is not only an excellent choice for overclockers and enthusiasts, but also for other applications that require thermal transmission. MX-4 proves without a doubt that great performance does not necessarily require a high price.

Thanks to its consistency, MX-4 is easy to apply, even for beginners. The video below demonstrates different application techniques to avoid air pockets between processors and coolers.

In contrast to pastes based on metal oxides or liquid metal, ARCTIC’s MX-4 is metal-free and not electrically conductive. This eliminates the risk of short circuiting and removes concerns about corrosion damage to the radiator floor caused by liquid metal.

ARCTIC MX-4 is available in sizes ranging from 2 to 45 grams. Resealable packaging prevents the paste from drying out.

Compared to metal or silicone thermal pastes, you don't have to make any compromises with the MX-4: once applied, it lasts up to 8 years.

While the packaging of our thermal paste has changed several times over the years, the composition of the formula has remained the same. Our MX pastes have long stood for high performance and quality, and with our new, recyclable packaging, we aim to reduce CO2 emissions and thus make a contribution to the environment.

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| EU6 | 2 | 01.07.2026 | 7.49 € | |
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