Based on this product's specifications, here are some alternatives and similar models
Power supply unit Akyga AK-C2-500 ATX 468 W (Peak 500 W), 20+4 pin, 120 mm fan, 80 PLUS, black
Summary description:
Akyga AK-C2-500 is an ATX power supply unit for desktop PCs with a rated total power of 468 W and peak power of 500 W. It uses a 20+4 pin ATX motherboard connector, includes SATA power cables (450 mm) and a 50 cm motherboard cable. The unit features active cooling with a 120 mm fan, 80 PLUS efficiency, and certifications CE, REACH and RoHS. Designed for standard ATX computer builds requiring reliable mains-to-DC power conversion.