Dell 053N4 265W Lite-On OptiPlex MT Power Supply
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Part numbers, specifications, condition, and available fitment details are provided below.
Product Description
Genuine Dell 053N4 / 0053N4 265-watt active-PFC internal power supply identified by Dell for mini-tower configurations in the OptiPlex 390, 790, and 990 family. Dell support identifies 053N4 as a Lite-On-built mini-tower supply, while related part numbers 9D9T1, D3D1C, GVY79, and YC7TR represent alternate family units and are substitution clues only. Reported connectors include 24-pin ATX, 4-pin CPU power, and SATA power leads; the actual harness controls. Power cord, mounting hardware, adapters, and accessories are not assumed included. This inventory record explicitly identifies the condition as New. Match 053N4 / 0053N4, complete Lite-On model and revision, Dell service tag, exact MT chassis, 265-watt label, dimensions, connectors, pinout, and included items before ordering.
Key Specifications
- Manufacturer: Dell; Lite-On
- Dell Part Number: 053N4 / 0053N4
- Rated Output: 265 W
- Power Factor Correction: Active PFC reported
- Reported Systems: OptiPlex 390/790/990 MT; configuration-specific
- Reported Connectors: 24-pin ATX, 4-pin CPU, SATA power; verify harness
- Related Dell Parts: Alternate-family clues only
- Condition: New
Compatible Models
- Dell OptiPlex mini-tower configurations whose original supply specifies 053N4
- verify service tag, chassis, complete Lite-On revision, dimensions, connectors, and pinout
This part may also be used in additional systems not listed here. Questions about fitment? Contact us—we’re happy to help.