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Rectangular silver server power supply unit with Dell R430 label

Supersuperuncle

Supersuperuncle 550W Server Power Supply D550E-S1 dps-550ab x185v for Dell R430

SKU CH-0MD5-0E7MA

550 W server power supply built for the Dell PowerEdge R430, part number D550E-S1

  • 550W output powers Dell R430 servers reliably
  • Designed specifically for Dell PowerEdge R430 compatibility
  • D550E-S1 model matches OEM part number dps-550ab x185v
  • New condition ensures full service life from installation

Dell R430 550W replacement unit

This 550 watt server power supply is built to fit Dell PowerEdge R430 systems using the D550E-S1 or dps-550ab x185v part numbers. It is a new component intended for administrators who need a direct swap for a failed or missing unit in that specific chassis. The form factor and connector layout match the original Dell design for single-supply or redundant configurations.

Limited to Dell R430 compatibility

The unit only works in Dell PowerEdge R430 servers that accept the D550E-S1 or dps-550ab x185v model. It will not fit other Dell generations, third-party chassis or standard ATX cases because the connector pinout and physical keying are proprietary. Buyers who need a supply for a different server model or a desktop build cannot use this part.

How it compares

Measured against everything we stock in Server & Hot-Plug PSUs, at today’s prices. Recalculated every night.

Price $166.99
Pricier than about 62% of the 3,798 comparable items (median $131.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Which Dell R430 power supply version matches the D550E-S1 part number?

The D550E-S1 with x185v suffix is the specific 550W unit built for the Dell R430 server chassis.

What does the 550W rating mean when installed in a Dell R430?

It delivers up to 550 watts of continuous power to the R430's components through the server's native backplane connector.

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