18.99 GBP
ARCTIC MX-4 (45g) - High Conductivity, Safe Application Thermal Paste for All Processors (CPU, GPU - PC, PS4, XBOX), Non-Conductive and Non-Capacitive
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 - HIGH PERFORMANCE: With excellent temperature reduction perform
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ARCTIC MX‑4 Thermal Paste – The Ultimate Heat Transfer Solution
ARCTIC MX‑4 is a high‑performance thermal compound engineered for maximum heat dissipation in modern computing and gaming systems. Designed to work seamlessly with CPUs, GPUs, and console processors such as the PS4 and Xbox, it delivers exceptional thermal conductivity while remaining completely safe for electronic components.
Key Technical Specifications
- Thermal Conductivity: 8.5 W/(m·K) – one of the highest values available in consumer-grade pastes.
- Viscosity: 870 cP – provides a smooth, controllable application that spreads evenly across chip surfaces.
- Density: 2.5 g/cm³ – ensures a stable, non‑slip layer between the heat source and cooler.
- Weight: 45 g per syringe – ample quantity for multiple applications or long‑term use.
- Material Composition: Carbon micro‑particles embedded in a silicone base – offers excellent thermal pathways without electrical conductivity.
- RoHS Compliant: Yes – free from hazardous substances, supporting sustainable manufacturing practices.
Why Carbon Micro‑Particles Matter
The core of MX‑4’s performance lies in its carbon micro‑particle filler system. These particles are engineered to fill microscopic gaps and surface irregularities on both the processor die and the cooler base. By bridging these voids, the paste creates a continuous thermal path that dramatically reduces contact resistance.
Benefits of Carbon Filler:
- High thermal conductivity without electrical conduction – eliminates risk of short circuits.
- Stable over time – resists drying or curing that can degrade performance.
- Consistent viscosity – allows for precise, repeatable application across various hardware configurations.
Safe and Non‑Conductive Design
Unlike many silver‑based pastes, MX‑4 is explicitly formulated to be non‑conductive. This feature is critical when applying the paste directly onto delicate processor pins or GPU contacts. The silicone matrix ensures that even if a small amount of paste spills onto surrounding circuitry, it will not create an electrical bridge.
Versatile Compatibility
Whether you’re building a high‑end gaming rig, overclocking a workstation CPU, or installing a custom cooler on a console processor, MX‑4 adapts effortlessly:
- CPU & GPU (PC): Works with Intel, AMD, NVIDIA, and all mainstream silicon.
- Gaming Consoles: Optimized for PS4, Xbox One, and other console CPUs that demand reliable heat management.
- Compatible with air coolers, liquid cooling blocks, and hybrid solutions.
Application Guidelines for Optimal Performance
- Clean the Surface: Use isopropyl alcohol to remove old paste or dust from both the processor die and cooler base.
- Apply a Small Amount: A pea‑sized blob (≈0.5 g) is sufficient for most CPUs; larger GPUs may require slightly more.
- Spread Evenly: Use a plastic spreader or the flat side of a credit card to distribute the paste uniformly across the die.
- Reattach the Cooler: Align carefully and secure with the mounting hardware, ensuring even pressure distribution.
- Check for Over‑Application: Excess paste can trap air pockets; trim any overflow before final assembly.
Longevity and Reliability
MX‑4’s silicone base resists oxidation and thermal cycling, maintaining its integrity over many temperature swings. Users report consistent performance across thousands of hours of operation, making it a reliable choice for both hobbyist builds and professional workstations.
Environmental Responsibility
The product’s RoHS compliance guarantees that no lead, mercury, cadmium, or other hazardous substances are present. This commitment to sustainability aligns with modern manufacturing standards and reduces environmental impact during disposal.
Packaging Details
- Syringe Size: 45 g – a convenient volume for multiple applications.
- Dimensions: Height 37 mm, width 197 mm, depth 24 mm.
- Color Coding: Blue and white – easy identification in a cluttered toolbox.
Conclusion: The Benchmark for Thermal Paste Excellence
When it comes to achieving the lowest possible temperatures on high‑performance processors, ARCTIC MX‑4 stands out as the benchmark. Its combination of superior thermal conductivity, non‑conductive safety, durable carbon filler technology, and user‑friendly application make it the preferred choice for enthusiasts, gamers, and professionals alike.
Choose ARCTIC MX‑4 for reliable heat transfer that protects your hardware and enhances performance over the long term.
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- Ventilation and cooling for computers |
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| Tags | Thermal conductivity Thermal Compound Arctic Cooling Thermal Paste ARCTIC MX-4 Known as Arctic Cooling |
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| Identifiers | |
| Brand | Arctic Arctic is a brand that specializes in making high-quality, durable clothing for extreme weather conditions. The company was founded in Sweden in 1932, and has since become a leading brand in the outdoor apparel industry. Arctic's products are known for their innovative design, high quality, and durability, and are popular among outdoor enthusiasts and extreme weather athletes. |
| MPN | Arctic MX-4 Edition 2019 |
| ID | 21316573 |
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Sustainability certificates A list of environmental, safety or quality certifications that a product has obtained from recognized authorities. Typical entries include RoHS, ENERGY STAR, CE, WEEE, TCO Certified, FCC, and other industry‑specific standards.
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RoHS |


