Based on this product's specifications, here are some alternatives and similar models
Power Supply Unit Inter-Tech SL-500 Plus 500 W
Summary description:
The Inter-Tech SL-500 Plus is a reliable 500 W power supply unit designed for PCs. It features a 20+4 pin ATX connector, 230 V AC input voltage, and operates at a frequency of 50 - 60 Hz. With a noise level of just 25 dB, it ensures quiet operation. The active cooling system with a 12 cm fan keeps the unit cool, while the included 45 cm PCI Express and CPU power cables provide flexibility for installation. Its sleek silver design adds a modern touch to your setup.