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Silver rectangular server power supply unit with rear exhaust grille and release lever

DELL

DELL D550E-S0 550W Redundant Hot-Plug Power Supply

SKU CH-4BPB-S8HAM MPN D550E-S0

Redundant 550 W hot-plug supply for Dell PowerEdge R320, R420 and R430 servers, accepting 100 to 240 V input

  • Product typePower Supply
  • Redundant design keeps the server running if one unit fails
  • Hot-plug capability lets you swap modules without shutting down
  • 550 W output powers Dell PowerEdge R430 and compatible systems
  • Wide 100–240 V input works on mains worldwide
  • Multiple part numbers RYMG6 0RYMG6 CN-0RYMG6 M95X4 X185V simplify ordering

Redundant 550W hot-plug power supply

The Dell D550E-S0 is a redundant hot-plug power supply rated at 550W. It accepts an AC input range of 100-240V and is designed for Dell PowerEdge servers. The unit supports hot replacement without shutting down the host system.

Suitable for PowerEdge R320 R420 R430 maintenance

This supply fits Dell PowerEdge R320 R420 R430 models that use the D550E-S0 form factor. It is not for builders who need a non-redundant ATX unit or a different wattage for other server platforms.

550W maximum output power

The single specification that decides fit is the 550W maximum output power. If the server requires a higher or lower rated supply this unit will not meet the requirement.

How it compares

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

Price $30.99
Cheaper than about 94% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Brand nameDell
Model nameD550E-S0
Product typePower Supply

Questions about this item

Which part number matches my Dell PowerEdge R320, R420 or R430?

The D550E-S0 unit carries part numbers 0RYMG6, CN-0RYMG6, M95X4 and X185V, all of which are listed as compatible with the PowerEdge R320, R420 and R430 models.

What does the 550W rating deliver inside a PowerEdge chassis?

The 550W maximum output is the peak power the supply can provide to the server's components when installed in a redundant, hot-plug configuration.

What input voltage range does the supply accept and what does that limit?

The unit accepts 100-240V AC input, so it operates on standard mains worldwide without a voltage selector switch.

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