Based on this product's specifications, here are some alternatives and similar models
Thermal pad Alphacool Core 9 W/m·K 19 g 40x40x1 mm
Summary description:
The Alphacool Core thermal pad features a thermal conductivity of 9 W/m·K and a density of 3.2 g/cm³. Measuring 40 mm in width and depth, and 1 mm in height, it is designed for efficient heat transfer in electronic components. This pad is ideal for use in cooling applications, ensuring optimal performance and reliability.