This is the 2019 Edition of Arctic's popular MX-4 thermal Paste. This package contains 20g of MX-4 compound. The ARCTIC MX-4 compound is composed of carbon micro-particles which lead to an extremely high thermal conductivity. It guarantees that heat generated from the CPU or GPU is dissipated quickly and efficiently. Superb in performance, MX-4 is the best companion for overclockers and enthusiasts.