Based on this product's specifications, here are some alternatives and similar models
Power Supply Unit Chieftec Polaris 3.0 1050W
Summary description:
The Chieftec Polaris 3.0 1050W power supply unit is designed for PCs with a total power output of 1050W. It features a 20+4 pin ATX motherboard power connector and supports AC input voltage of 100-240V at 50/60Hz. The PSU has an active cooling system with a 13.5 cm fan, ensuring efficient heat dissipation. With 80 PLUS Gold certification, it provides high energy efficiency. The power cables include a 65 cm motherboard cable and SATA cables of 100 and 550 mm lengths. Compliance with RoHS and FCC standards ensures safety and reliability.