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Rectangular silver server power supply unit with rear connector and fan grille

Supersuperuncle

Supersuperuncle 550W server power supply for Lenovo RD430X RD440X RD640 DPS-550AB-2 A 36002477

SKU CH-49VP-8GGCN

550 watt replacement power supply compatible with Lenovo RD430X, RD440X and RD640 servers

  • 550 W output powers Lenovo RD430X, RD440X and RD640 servers
  • Exact DPS-550AB-2 A replacement matches original part number 36002477
  • New condition ensures full rated performance from first use
  • Server-grade design built for continuous operation in supported Lenovo systems

Compatible Lenovo server models

This 550 watt power supply fits Lenovo RD430X, RD440X and RD640 servers. It matches part numbers DPS-550AB-2 A and 36002477. The unit is new and built for direct replacement in those chassis.

Sustained load behaviour

Designed for continuous server operation, the supply delivers its rated output without short-term peaks. It is not suited for systems that require higher wattage or redundant hot-swap configurations beyond the listed models.

How it compares

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

Price $211.99
Pricier than about 72% 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

How loud is the fan when this DPS-550AB-2 runs continuously in a Lenovo RD640?

The unit uses a built-in cooling fan designed for server airflow; noise level varies with load and chassis fan curves.

Does the 550W DPS-550AB-2 include the cables needed for a Lenovo RD430X?

It connects directly to the server backplane, so no separate power cables are required for installation.

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