ARCTIC MX-4 (45 g) Edition 2019 – High Performance Thermal Paste. Type: Thermal paste, Thermal conductivity: 8.5 W/m·K, Density: 2.5 g/cm³. Weight: 45 g. Quantity per pack: 1 pc(s), Package width: 197 mm, Package depth: 24 mm. Country of origin: Hong Kong