Based on this product's specifications, here are some alternatives and similar models
Power Supply Unit FSP Twins PRO 900W
Summary description:
The FSP Twins PRO 900W power supply unit is designed for servers, featuring a 20+4 pin ATX connector and non-modular cabling. It supports an AC input voltage of 100 - 240 V and frequency of 50 - 60 Hz. With an 80 PLUS Gold certification, it ensures high efficiency. The unit is equipped with two 4 cm fans for optimal cooling and comes in a sleek black design. Included cables: CPU, PCIe, SATA.