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Silver rectangular server power supply unit with rear exhaust grille and IEC inlet

HPE

HPE 503296-B21 460W AC Power Supply

SKU CH-MY9M-QNQMM

Proprietary 460 W AC power supply with 80 Plus and Energy Star certification

  • Product typeProprietary Power Supply
  • Delivers 460 W output for reliable server operation
  • 80 Plus certified for efficient energy conversion
  • ENERGY STAR qualified to reduce power consumption
  • Environmentally friendly design supports sustainability goals
  • Proprietary form factor ensures direct HPE compatibility

460 W Proprietary Power Supply

This HPE 503296-B21 unit delivers 460 W of AC power in a proprietary form factor designed for compatible Hewlett Packard Enterprise servers. It carries 80 Plus and ENERGY STAR certification, confirming efficient operation in supported chassis.

Suited for direct replacement in qualified HPE

Buyers needing a standard ATX, SFX or redundant hot-plug module cannot use this proprietary design. Systems requiring higher wattage or a different connector layout should look elsewhere.

460 W continuous output with 80 Plus efficiency

The supply comfortably handles the power budget of the validated server configurations it was built for. It runs out of headroom when the connected components draw more than the rated 460 W.

How it compares

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

Price $35.99
Cheaper than about 93% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Brand nameHPE
Product typeProprietary Power Supply

Questions about this item

Which HP server chassis accepts the 503296-B21 460 W proprietary power supply?

This unit is a proprietary power supply built for specific HPE server chassis; verify your server’s service guide or parts list for the 503296-B21 part number before purchase.

Can I run this 460 W supply in a bay that previously held a lower-wattage HPE supply?

Yes, the 503296-B21 fits the same proprietary bay as smaller HPE supplies, and its 80 Plus rating means it will deliver up to 460 W without changing the chassis wiring.

How do I confirm the 503296-B21 is operating correctly after installation?

The server’s iLO or front-panel health LEDs will show a green power-supply status, and the BIOS/UEFI power inventory will list the 460 W unit as present and functional.

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