Based on this product's specifications, here are some alternatives and similar models
Power Supply Unit be quiet! Pure Power 13 M 550W
Summary description:
The be quiet! Pure Power 13 M is a reliable 550W power supply unit designed for PCs. It features a 20+4 pin ATX connector, active cooling with a 12 cm fan, and is 80 PLUS Gold certified for high efficiency. With a peak power of 600W and a wide AC input voltage range of 100-240V, it ensures stable performance. The PSU includes various cables for CPU, PCIe, and SATA, making it versatile for different setups.