Based on this product's specifications, here are some alternatives and similar models
Universal DC Power Adapter StarTech ITB20D3250
Summary description:
The StarTech Universal DC Power Adapter is designed for industrial USB hubs, providing 20V and 3.25A output. It supports a wide input voltage range of 110-240V and features a terminal block connector. This black power adapter is compliant with RoHS and certified by REACH, CE, FCC, UL, and PSE. Compact dimensions of 53mm width, 115mm depth, and 35mm height make it ideal for various indoor applications.