Based on this product's specifications, here are some alternatives and similar models
Thermal paste Arctic MX-4 2019 Edition
Summary description:
The ARCTIC MX-4 (4 g) Edition 2019 is a high-performance thermal paste with a thermal conductivity of 8.5 W/m·K and a density of 2.5 g/cm³. Weighing 4 g, it comes in a single pack with dimensions of 82 mm x 15 mm. Manufactured in Hong Kong, it ensures efficient heat transfer for your CPU and GPU, enhancing cooling performance and system stability.