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White 20g syringe of grey thermal paste in retail box

ARCTIC COOLING

ARCTIC COOLING MX-4 2019 Edition 20g thermal paste

SKU CH-WFF8-38NWT

High-performance thermal paste with 8.5 W/mK conductivity, safe carbon-based formula, and 20g syringe for easy CPU or GPU application

  • Volume / Net Weight20g
  • Thermal Conductivity8.5 W/mK
  • Long Term Operating Temperature-50 °C / +230 °C
  • Specifications100mm*160mm*10mm
  • FeaturesDesigned with extremely demanding applications Popular choic

Weight 20g

  • High thermal conductivity of 8.5 W/mK for efficient heat transfer
  • Carbon micro-particles provide performance without electrical conductivity risk
  • Stable across a wide -50 °C to +230 °C operating range
  • Long-lasting formula maintains performance beyond typical system life
  • 20 g syringe allows precise, mess-free application for beginners and experts

High-Performance Thermal Compound for Demanding

ARCTIC COOLING MX-4 2019 Edition is a carbon-based thermal paste rated at 8.5 W/mK conductivity. It is designed for CPU and GPU interfaces in systems where efficient heat transfer matters. The 20g syringe suits enthusiasts, overclockers and builders who want a non-conductive compound with long-term stability. It contains no metallic particles, eliminating the risk of short circuits on exposed pins.

Wide Operating Range and Easy Application

The compound remains stable from -50 °C to +230 °C, covering extreme cooling and heavy load scenarios. Its consistency allows smooth spreading directly from the syringe, making application straightforward for beginners and experienced users alike. Because it contains no metal oxides or liquid metal, it will not corrode cooler bases or stain surfaces. The non-conductive formula ensures safe use around sensitive PCB components.

Sustained Performance Without Dry-Out

MX-4 maintains its thermal resistance over years of continuous cycling, outlasting typical hardware upgrade cycles. Unlike some metal or silicon pastes, it does not pump out, harden or degrade under sustained high temperatures. This reliability means a single application lasts until the cooler or component is replaced. It is not intended for buyers who need electrically conductive paste for specific exotic cooling loops.

Highlights

  • High thermal conductivity of 8.5 W/mK for efficient heat transfer
  • Carbon micro-particles provide performance without electrical conductivity risk
  • Stable across a wide -50 °C to +230 °C operating range
  • Long-lasting formula maintains performance beyond typical system life
  • 20 g syringe allows precise, mess-free application for beginners and experts

Specifications

BrandArctic
SeriesMX-4
Model2019 Edition
Volume / Net Weight20g
Thermal Conductivity8.5 W/mK
Long Term Operating Temperature-50 °C / +230 °C
Specifications100mm*160mm*10mm
FeaturesDesigned with extremely demanding applications Popular choice for overclockers and extreme gamers

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Questions about this item

How do I apply the 20g syringe of MX-4 2019 Edition without making a mess?

Dispense a small pea-sized dot onto the centre of the CPU heat spreader, then mount the cooler straight down; the pressure spreads the paste evenly without needing a card or finger.

Will the MX-4 2019 Edition dry out or need re-application after a few years?

The compound is rated to last beyond the service life of a typical gaming rig, so it maintains its 8.5 W/mK performance without requiring replacement.

At what temperature does the MX-4 2019 Edition start to lose effectiveness under heavy, continuous loads?

It remains stable across a long-term operating range of -50 °C to +230 °C, well above the thermal limits of any consumer CPU or GPU.

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