Dell 03WN11 240W Power Supply – For Optiplex 390

The Dell 03WN11 240W Power Supply is a reliable and efficient OEM replacement unit designed specifically for Dell Small Form Factor (SFF) desktop PCs. Whether you’re replacing a failing unit or upgrading your system, this PSU offers dependable performance with consistent power delivery. Built to meet Dell’s rigorous standards, it’s compatible with a wide range of Optiplex models and supports modern system configurations with SATA and ATX connectors.

Product Features

Reliable and Consistent Power Output

Delivers stable 240W output to power essential components of Dell Optiplex SFF desktops, ensuring smooth and efficient operation.

Wide Compatibility

Engineered to fit multiple Dell Optiplex Small Form Factor models including Optiplex 390, 790, 990, 3010, 7010, and 9010.

Universal AC Input

Supports a full AC input range of 100-240V, making it suitable for global voltage standards and reducing the risk of incompatibility.

Multiple Connector Support

Equipped with standard ATX and SATA connectors, making it ideal for powering hard drives, SSDs, and other internal components.

OEM Quality Assurance

Manufactured to meet or exceed Dell’s original equipment standards, ensuring safe and long-lasting performance in professional and personal computing environments.

Product Specifications

• Brand: Dell
• Model Number: 03WN11
• Power Output: 240 Watts
• Input Voltage: 100–240V AC
• Input Current: 4A
• Input Frequency: 50–60Hz
• Connector Types: ATX, SATA
• Form Factor: ATX (Small Form Factor – SFF)
• Compatibility:
  • Dell Optiplex 390
  • Dell Optiplex 790
  • Dell Optiplex 990
  • Dell Optiplex 3010
  • Dell Optiplex 7010
  • Dell Optiplex 9010
• Weight: 5 lbs (approx. 2.27 kg)
• Color: Metallic Gray