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Silver metal rectangular ATX power supply unit with rear fan grille and side label

DELL

DELL HP-U551FF3 550W power supply for Precision 470

SKU CH-C4YY-5N4GF MPN HP-U551FF3

A 550W power supply built for the Dell Precision 470 workstation

  • 550 W output powers demanding Precision 470 workloads
  • Genuine Dell HP-U551FF3 ensures exact chassis fit
  • New condition delivers full rated performance from day one
  • D550P-00 part code matches factory service documentation

Dell Precision 470 550W power supply

This Dell HP-U551FF3 unit delivers 550W of power for the Precision 470 workstation. It is built as a direct replacement using part numbers D550P-00, H2370 and D1257. The supply suits technicians restoring or maintaining this specific Dell platform.

Thermals, noise and power draw

The 550W rating defines the maximum output available for system components under load. Cooling performance and acoustic output follow the original workstation design specifications. Power draw at the wall scales with the actual system configuration installed. Buyers needing higher wattage or a different form factor should verify compatibility before purchase.

How it compares

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

Price $120.99
Cheaper than about 58% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Model nameHP-U551FF3

Questions about this item

How do I install the HP-U551FF3 power supply in a Precision 470 workstation?

Slide the unit into the chassis until the locking tab clicks, then connect the 24-pin main and 4-pin CPU power cables to the motherboard.

What maintenance will the HP-U551FF3 need during its service life?

Clean the intake grille with compressed air every six months to prevent dust build-up on the internal fan and heatsinks.

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