Based on this product's specifications, here are some alternatives and similar models
Heatsink Alphacool NexXxoS UT60
Summary description:
The Alphacool NexXxoS UT60 is a high-performance heatsink designed for efficient air cooling. Made from brass, copper, and steel, it features a sleek black finish. With dimensions of 400 mm width, 60 mm depth, and 124 mm height, it is suitable for various setups. This heatsink ensures optimal heat dissipation, enhancing the performance and longevity of your components.