Based on this product's specifications, here are some alternatives and similar models
Power supply SCHROFF MAX 124 PC Server 500W model 13100105
Summary description:
ATX-compatible power supply SCHROFF MAX 124 PC Server model 13100105 delivers 500W of output power for server and industrial PC applications. Designed to provide stable DC power to system components, it suits replacement or OEM builds requiring the specified wattage and form factor. Benefits include reliable operation, compatibility with server chassis, and straightforward installation for maintenance or upgrades.