Based on this product's specifications, here are some alternatives and similar models
Power Supply Unit Chieftec BDK-650FC 650 W
Summary description:
The Chieftec BDK-650FC is a reliable 650 W power supply unit designed for PCs and servers. It features a 20+4 pin ATX connector, active cooling with a 12 cm fan, and is 80 PLUS Bronze certified for efficiency. With an AC input voltage range of 100 - 240 V and a frequency of 47 - 63 Hz, it ensures stable power delivery. The motherboard power cable is 65 cm long, while the SATA power cable reaches 150,500 mm, making it versatile for various setups.