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Rectangular metal Dell 265W PSU with fan grille and power socket

DELL

DELL L265AM-00 265W power supply

SKU CH-9Y58-DXPTK MPN L265AM-00

265W replacement unit compatible with OptiPlex 620, 390, 790 and 990 desktops

  • Delivers 265 W to compatible Dell Optiplex desktops
  • Direct replacement for Optiplex 620, 390, 790 and 990 models
  • Matches part numbers F265EM-00, AC265AM-00, L265EM-0 and H265AM-00
  • Covered by a 60-day warranty period

Dell 265W PSU for OptiPlex desktops

This power supply is a direct replacement for Dell OptiPlex 620, 390, 790 and 990 small-form-factor and tower systems. It delivers 265 watts of continuous output and ships in new condition with a 60-day warranty.

Proprietary connector limits upgrade paths

The unit uses Dell-specific pin-outs and mounting brackets that prevent installation in standard ATX cases or motherboards. Builders planning a custom chassis or a higher-wattage GPU will need a different platform.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $32.99
Cheaper than about 94% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Model nameL265AM-00

Questions about this item

Which Dell Optiplex models does the L265AM-00 265W power supply fit?

The L265AM-00 265W power supply is compatible with Dell Optiplex 620, 390, 790 and 990 systems.

What does the 265W rating mean for daily use in an Optiplex?

The 265W rating is the maximum continuous output the unit can deliver to the Optiplex motherboard, CPU, drives and expansion cards under normal load.

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