Based on this product's specifications, here are some alternatives and similar models
Power Supply Unit FSP Vita 850 W 20+4 pin ATX Black
Summary description:
The FSP Vita 850 W power supply unit features a 20+4 pin ATX connector, 80 PLUS Bronze certification, and active cooling with a 12 cm fan. It is designed for PCs and provides reliable power with a total output of 850 W. The unit includes various cables such as CPU, Peripheral (Molex), and SATA, ensuring compatibility with a wide range of components.