Based on this product's specifications, here are some alternatives and similar models
Water block + Backplate Aquatuning GmbH 13395 Aluminium Carbon Copper 1/4"
Summary description:
The Aquatuning GmbH 13395 is a high-performance water block and backplate designed for efficient cooling. Made from Aluminium, Carbon, and Copper, it features a 1/4" connecting thread. With dimensions of 120 mm width, 209 mm depth, and 24 mm height, it provides optimal thermal management for computer systems.