Arctic Silver 5 (2 Pack Thermal Compound Large Size -12 Gram Tube Average Particle Size: less than 0.49 micron less than 0.000020 inch Extended Temperature Limits: Peak: &#xFFFD;50oC to more than 180oC Long-Term: &#xFFFD;50oC to 130oC Performance: 3 to 12 degrees centigrade lower CPU full load core temperatures than standard thermal compounds or thermal pads when measured with a calibrated thermal diode imbedded in the CPU core. Coverage Area: A 3.5 gram syringe contains enough compound to cover at least 15 to 25 small CPU cores or 6 to 10 large CPU cores or 2 to 5 heat plates. At a layer 0.003" thick the 3.5 gram syringe will cover approximately 16 square inches.