Dell 265W Small Form Factor Power Supply (D3D1C)

The Dell D3D1C delivers 265 watts in a Small Form Factor design, making it a direct-fit replacement for several OptiPlex SFF models. Its 80 PLUS Bronze efficiency and active cooling keep power delivery stable without excessive heat.

Highlights

• 265 W total output with 80 PLUS Bronze efficiency
• Dell proprietary 8-pin motherboard connector plus 4-pin CPU power
• Three SATA and one slimline SATA power connectors
• Active fan cooling for consistent thermal performance
• Compatible with OptiPlex 3010, 7010, 9010, 390, 790, 990 SFF

In daily use

This PSU plugs into standard 100–240 V AC mains via an IEC C14 inlet and supplies the exact Dell pinout required by the listed OptiPlex systems. Over-voltage, over-current, and short-circuit protection are built in.

Full specifications

• Power output: 265 W
• Form factor: Small Form Factor (SFF)
• Input voltage: 100–240 V AC
• Input frequency: 50/60 Hz
• Efficiency rating: 80 PLUS Bronze
• Motherboard connector: 1 x 8-pin ATX (Dell proprietary)
• CPU power connector: 1 x 4-pin ATX 12V
• SATA power connectors: 3
• Slimline SATA power connector: 1
• Cooling: Active (fan)
• Compatibility: Dell OptiPlex 3010, 7010, 9010, 390, 790, 990 SFF Series
• Interchangeable part numbers: L265EM-00, H265EM-00, AC265AM-00, D265EM-00, F265EM-00
• Protection: OVP, OCP, SCP
• AC input connector: IEC C14

Final note

A reliable 265 W SFF power supply for Dell OptiPlex systems, with the exact proprietary connectors required for a straightforward swap.