Dell MM720 280W OptiPlex 745 755 DT Power Supply

Genuine Dell MM720 280-WATT internal desktop power supply reported for configuration-specific OptiPlex 745 and 755 desktop systems, with selected OptiPlex 330 and 740 applications also reported. A government catalog identifies MM720 specifically as a GX745/755 DT 280W power supply, and Dell community efficiency data lists it as a 280W standard-efficiency custom unit. Wider OptiPlex fitment is not assumed. Power cord, mounting hardware, adapters, cables, and accessories are not assumed included. This inventory record explicitly identifies the condition as New. Match MM720, full manufacturer model and revision, Dell service tag, exact DT chassis, 280-WATT label, input range, dimensions, connectors, cable lengths, pinout, and included items before ordering.

Key Specifications

• Manufacturer: Dell
• Dell Part Number: MM720
• Rated Output: 280 W
• Reported Systems: OptiPlex 745/755 DT; selected 330/740 configurations
• Efficiency Class: Standard in Dell community reference
• Form Factor: Dell desktop / DT family; verify exact chassis
• Compatibility Warning: Match service tag, revision, dimensions, connectors, and pinout
• Condition: New

Compatible Models

• Dell OptiPlex desktop configurations whose original supply specifies MM720; verify service tag, exact DT chassis, full model/revision, dimensions, connectors, and pinout