Based on this product's specifications, here are some alternatives and similar models
Thermal pad Alphacool Core 6.2 W/m·K 100x100x3 mm
Summary description:
The Alphacool Core thermal pad offers excellent thermal conductivity of 6.2 W/m·K, ensuring efficient heat transfer. With a density of 3.1 g/cm³, it is designed for optimal performance in cooling applications. The pad measures 100 mm in width and depth and is 3 mm thick, making it suitable for various electronic components.