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Rectangular silver server power supply unit with ventilation grille and power connector visible

DELTA

DELTA DPS-550LB B 550 Watt server power supply

SKU CH-MMAF-T67WJ MPN DPS-550LB

550 Watt server power supply inspected and cleaned to meet manufacturer specifications

  • 550 W output powers demanding server workloads
  • Delta Electronics engineering ensures reliable continuous operation
  • Unit inspected and cleaned to meet manufacturer specifications
  • New condition guarantees full component life from first install
  • 30-day warranty period provides initial purchase protection

550 Watt Server Power Supply

The Delta Electronics DPS-550LB B is a 550 watt server power supply designed for rackmount systems and enterprise equipment. It delivers reliable power for standard server workloads in data-centre and small-business environments.

Capacity and Headroom

At 550 watts the unit handles typical single-processor servers with moderate storage and networking cards. Headroom narrows when multiple high-draw GPUs or dense drive arrays are added, so larger configurations will exceed its rating.

Replacement and Upgrade Context

This supply replaces a failed or end-of-life unit in compatible Delta or OEM server chassis. The jump is worth it when the existing unit shows voltage drift, fan failure or cannot sustain load during peak demand.

Highlights

  • 550 W output powers demanding server workloads
  • Delta Electronics engineering ensures reliable continuous operation
  • Unit inspected and cleaned to meet manufacturer specifications
  • New condition guarantees full component life from first install
  • 30-day warranty period provides initial purchase protection

Specifications

No published specifications for this item yet.

Questions about this item

Will the 550 Watt output work with my older server motherboard that uses a standard 24-pin connector?

The unit is a 550 Watt server power supply; compatibility depends on your chassis and motherboard pinout matching the supply's proprietary connector.

How can I verify the DPS-550LB B is delivering stable power after installation?

Check server POST completion, monitor system voltages in BIOS or management software, and confirm the unit's fan spins without error LEDs.

Does the box include power cables or a mounting bracket for the DPS-550LB B?

The item includes the power supply only; cables and mounting hardware must be sourced separately for your specific server chassis.

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