Based on this product's specifications, here are some alternatives and similar models
Power Supply Montech Titan PLA 1000W
Summary description:
The Montech Titan PLA 1000W power supply features 80 PLUS Platinum certification for high efficiency, modular design for easy cable management, and PCIe 5.1 compatibility. With a robust 1000W output, it ensures stable power delivery for high-performance systems. The sleek white design adds a modern touch to your build, making it an excellent choice for gamers and professionals alike.