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Arctic Silver 5 Premium Silver Polysynthetic Thermal Compound: AS5-12G (12 gram)

Features

Introducing Arctic Silver 5 With its unique high-density filling of micronized silver and enhanced thermally conductive ceramic particles, Arctic Silver 5 provides a new level of performance and stability. Now available at Arctic Silver dealers worldwide, Arctic Silver 5 is definitely The New Reference.

Arctic Silver 5 is optimized for use between modern high-power CPUs and high performance heatsinks or water-cooling solutions.

Contains 99.9% pure silver:
Arctic Silver 5 uses three unique shapes and sizes of pure silver particles to maximize particle-to-particle contact area and thermal transfer.

High-Density:
Arctic Silver 5 contains over 88% thermally Conductive filler by weight. In addition to micronized silver, Arctic Silver 5 also contains sub-micron zinc oxide, aluminum oxide and boron nitride particles. These thermally-enhanced ceramic particles improve the compound's performance and long-term stability.

Controlled Triple-Phase Viscosity:
Arctic Silver 5 does not contain any silicone. The suspension fluid is a proprietary mixture of advanced polysynthetic oils that work together to provide three distinctive functional phases. As it comes from the tube, Arctic Silver 5's consistency is engineered for easy application. During the CPU's initial use, the compound thins out to enhance the filling of the microscopic valleys and ensure the best physical contact between the heatsink and the CPU core. Then the compound thickens slightly over the next 50 to 200 hours of use to its final consistency designed for long-term stability. (This should not be confused with conventional phase change pads that are pre-attached to many heatsinks. Those pads melt each time they get hot then re-solidify when they cool. The viscosity changes that Arctic Silver 5 goes through are much more subtle and ultimately much more effective.)

Not Electrically Conductive:
Arctic Silver 5 was formulated to conduct heat, not electricity.
(While much safer than electrically conductive silver and copper greases, Arctic Silver 5 should be kept away from electrical traces, pins, and leads. While it is not electrically conductive, the compound is very slightly capacitive and could potentially cause problems if it bridges two close-proximity electrical paths.)

Absolute Stability:
Arctic Silver 5 will not separate, run, migrate, or bleed.

The polysynthetic suspension fluid is improved:
The new mix of non-silicone synthetic oils is more stable than the mix used in Arctic Silver 3 Premium Silver Polysynthetic Thermal Compound. This further enhances the long-term performance of Arctic Silver 5 Premium Silver Polysynthetic Thermal Compound, especially under high-vibration or other difficult conditions.

The average particle size is smaller: (Less than 0.45 microns <0.000018 inch)
The microscopic thermally conductive particles in Arctic Silver 5 Premium Silver Polysynthetic Thermal Compound fill the voids between the core and the heatsink more completely to provide improved thermal transfer.

The compound is more dense:
The sizes of the individual filler particles are designed so that the smaller particles better fill the interstices between the larger particles than with our previous compounds. While most thermal compounds contain 30% to 50% thermally conductive filler by weight, Arctic Silver 5 Premium Silver Polysynthetic Thermal Compound contains almost 90% thermally conductive filler by weight.

The application is easier:
Like Ceramique, Arctic Silver 5 Premium Silver Polysynthetic Thermal Compound is not spread out on the P4 heat spreader. A small dab of AS5 is placed on the center of the heat spreader and the pressure from the heatsink spreads it out to form an air-free minimum bond line.

Important Reminder:
Due to the unique shape and sizes of the particles in Arctic Silver 5's conductive matrix, it will take a up to 200 hours to achieve maximum particle to particle thermal conduction and for the heatsink to CPU interface to reach maximum conductivity. (This period will be longer in a system without a fan on the heatsink or with a low speed fan on the heatsink.) The CPU's temperature will drop as much as 2C to 5C over this "break-in" period. This break-in will occur during the normal use of the computer.

We do not recommend using Arctic Silver 5 on the older slot type Intel Xeon processors with large multiple square inch CPU to heatsink interfaces. The huge contact area and large gaps between the processor and the heatsink require a thermal pad or thick mesh-reinforced paste. Arctic Silver 5 can be used on socket type Xeons without a problem.

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