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

Supersuperuncle

Supersuperuncle 3Y YH-6521B YM-6521BAR YH6521-XBAR server power supply 520W

SKU CH-AMCC-YHAN9

Replacement server power supply delivering 520W for compatible 3Y and YM-6521 models

  • 520 W output powers compatible 3Y server models
  • Designed for YH-6521B and YM-6521B series units
  • Replaces YM-6521BAR and YH6521-XBAR power supplies
  • New condition ensures reliable server operation

Supersuperuncle 520W server power supply

The Supersuperuncle 520W unit is built for 3Y YH-6521B, YM-6521B, YM-6521BAR and YH6521-XBAR server platforms. It delivers 520 watts of continuous power to matched chassis and backplane configurations. System integrators and IT teams use it as a direct replacement or spare in compatible rack environments.

Sustained-load behaviour

The supply maintains its rated 520W output under continuous server workloads without relying on short-term peak headroom. It is not suited for builds that require higher wattage, redundant hot-swap frames or proprietary form factors outside the listed 3Y and YM series.

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

How much noise and heat does the 520 W unit produce under continuous load?

The 520 W server supply uses an internal fan that spins up with load; expect typical server-grade airflow noise and warmth at full output.

What cables or rails must I already have to install this 3Y YH-6521B supply?

You need the matching 3Y chassis slot and the proprietary power backplane connector that the YH-6521B series plugs into.

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