Dell 240W Small Form Factor Power Supply N9MWK for OptiPlex 3010/7010/9010/3020/7020/9020/3040/7040/9040 SFF

When a Dell OptiPlex Small Form Factor desktop shuts down unexpectedly or refuses to power on, the culprit is often a failing power supply. This 240-watt unit restores reliable operation to compatible SFF systems without replacing the entire computer.

Who is it for

IT technicians and system administrators maintaining fleets of Dell OptiPlex SFF desktops, as well as individual users repairing a workstation at home. It fits the OptiPlex 3010, 7010, 9010, 3020, 7020, 9020, 3040, 7040, and 9040 Small Form Factor models.

Main features

• 240 W total output for stable power delivery to SFF components
• Active PFC and 80 Plus Bronze efficiency reduce wasted energy and heat
• Proprietary 8-pin motherboard connector plus 4-pin CPU power for Dell SFF boards
• Three SATA power connectors and one slimline optical drive connector support typical configurations
• Internal fan provides active cooling while maintaining a compact footprint
• Protection against over voltage, over current, and short circuits safeguards the system

Specifications

• Power output: 240 W
• Form factor: Small Form Factor (SFF)
• Input voltage: 100–240 V AC
• Input frequency: 50/60 Hz
• Efficiency: 80 Plus Bronze
• Power factor correction: Active PFC
• Motherboard connector: 8-pin ATX (Dell proprietary)
• CPU power connector: 4-pin ATX
• SATA power connectors: 3
• Optical drive power connector: 1 x Slimline SATA
• Compatible Dell part numbers: L240AS-00, H240AS-00, D240ES-00, AC240ES-00, H240ES-00, L240ES-00, D240AS-00, F240ES-00, B240ES-00

Tips

Before installation, verify the exact OptiPlex model and compare the connector layout with the original unit. The power supply may be manufactured by Delta, Lite-On, AcBel, or Chicony; all are electrically interchangeable.