Based on this product's specifications, here are some alternatives and similar models
Power supply Dell ASSY 750W D5MW8 for compatible Dell systems
Summary description:
Dell ASSY Power Supply 750 Watts (model D5MW8) is a replacement ATX-compatible power unit intended for use in compatible Dell servers or workstations. It provides up to 750W of output power to support system components, delivers stable voltage for reliable operation, and is suitable for hardware upgrades or repairs. Ideal for technicians and users needing an OEM-style spare with known Dell compatibility.