Based on this product's specifications, here are some alternatives and similar models
Power Supply Unit Chieftec GPB-500S 500W
Summary description:
The Chieftec GPB-500S is a reliable 500W power supply unit designed for PCs. It features a 20+4 pin ATX connector, operates on an AC input voltage of 200-240V, and has a frequency range of 47-63Hz. With an active cooling system and a 12 cm fan, it ensures efficient heat dissipation. The non-modular cabling simplifies installation, while its silver color adds a sleek look. Compliant with RoHS standards, this PSU is a solid choice for your computing needs.