Based on this product's specifications, here are some alternatives and similar models
Power supply unit XILENCE XN051 400 W, 20+4 pin ATX, 120 mm fan, black
Summary description:
XILENCE XN051 is a 400 W ATX power supply for desktop PCs featuring a 20+4 pin motherboard connector, 16 A maximum on the +3.3 V rail and AC input 200–240 V. It has a single 120 mm fan for cooling, SATA power cables (400 and 550 mm) and a 45 cm motherboard cable. Designed for standard PC builds requiring reliable single-rail power delivery.