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Dell L255ES-01 255W power supply module for Optiplex 3020 7020 9020 SFF

DELL

DELL L255ES-01 255W Switch Module for Optiplex 3020 7020 9020

SKU CH-8WDF-4PN5H MPN L255ES-01

Supplies 255 W of power to Optiplex 3020, 7020 and 9020 SFF desktops

  • Genuine Dell power supply for Optiplex SFF desktops
  • 255W output supports Optiplex 3020 7020 9020 systems
  • Dell part FN3MN model L255ES-01 ensures correct fit
  • New condition original component for reliable replacement

Genuine 255W replacement for Optiplex SFF

This authentic Dell power supply carries part number FN3MN and model L255ES-01. It delivers 255 watts to Optiplex 3020, 7020 and 9020 small-form-factor desktops. Buyers needing a higher-wattage unit or a standard ATX form factor cannot use this module.

Direct-fit design keeps installation simple

The unit matches the original chassis mounting points and connector layout, so no adapter cables or case modifications are required. Systems that require redundant or hot-swap power supplies are not supported by this single-module design.

How it compares

Measured against everything we stock in Switch Modules, Transceivers & Add-Ons, at today’s prices. Recalculated every night.

Price $49.99
Cheaper than about 62% of the 1,517 comparable items (median $68.99).

Specifications

No published specifications for this item yet.

Questions about this item

Will the internal fan in the L255ES-01 need replacement after long use?

The fan is built into the sealed 255W unit and is not user-serviceable; if it fails the entire module is replaced.

What thermal limit appears first when the L255ES-01 runs continuously at full load?

The 255W output ceiling is reached before any other constraint, triggering protection shutdown if exceeded.

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