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Silver rectangular server power supply unit with black fan grille and label showing 550W

Supersuperuncle

Supersuperuncle 550W server power supply for DELL M95X4 PowerEdge R320 R420 L550E-SO

SKU CH-3J4P-XES9W

550 W server power supply compatible with PowerEdge R320 and R420 systems

  • Compatible with Dell PowerEdge R320 and R420 servers
  • Delivers 550W output for stable server operation
  • Replaces Dell M95X4 L550E-SO part directly
  • New condition ensures full reliability from installation

550W power supply for Dell PowerEdge R320 and R420

This 550 watt unit replaces the Dell M95X4 L550E-SO module in PowerEdge R320 and R420 servers. It is built for administrators who need a direct-fit spare to keep a rack-mounted system running. The supply delivers the rated output for the original chassis without modification.

Verify Dell part number M95X4

Confirm the existing unit carries the exact M95X4 or L550E-SO marking and that the server model is an R320 or R420. Different Dell generations use mechanically similar but electrically incompatible modules. Buyers who need a different wattage or a redundant hot-swap pair for another chassis cannot use this supply.

Highlights

  • Compatible with Dell PowerEdge R320 and R420 servers
  • Delivers 550W output for stable server operation
  • Replaces Dell M95X4 L550E-SO part directly
  • New condition ensures full reliability from installation

Specifications

No published specifications for this item yet.

Questions about this item

Does the 550W L550E-SO power supply come with the mounting bracket and power cable, or must they be ordered separately?

The unit is supplied as the power supply module only; mounting brackets and AC power cables are not included and must be sourced separately.

My rack holds both PowerEdge R320 and R420 servers — will this single 550W L550E-SO unit work in either chassis?

Yes, the L550E-SO is listed as compatible with DELL M95X4, PowerEdge R320 and PowerEdge R420, so one unit fits both server models.

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