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Silver Dell ATX desktop power supply unit 875W 24-pin

DELL

DELL W299G Precision T5500 875W 24-Pin Power Supply

SKU CH-EKS5-8AQNM

875 W ATX power supply with 24-pin connector for Dell Precision T5500, >85% efficient and EPA rated

  • Max wattage875 W
  • Power efficiency> 85%
  • Efficiency certificationEPA
  • Supply voltage110 V AC 220 V AC
  • Product typeATX Power Supply
  • Product weight4
  • 875 W maximum power supports demanding workstation components
  • Efficiency above 85 % reduces energy waste and heat
  • EPA energy-efficient certification confirms lower environmental impact
  • Dual 110 V and 220 V AC input enables worldwide use
  • 24-pin ATX connector fits standard Dell Precision T5500 systems

Dell Precision T5500 875W ATX Power Supply

This 875W ATX power supply is built for Dell Precision T5500 workstations and uses a 24-pin connector. It delivers up to 875 W of continuous power for demanding professional workloads. The unit suits system builders replacing a failed or ageing PSU in compatible Dell chassis. Buyers needing a different form factor or proprietary pin-out should verify compatibility before purchase.

Thermals Noise and Power Draw

The PSU operates at greater than 85% efficiency, reducing waste heat and lowering electricity cost during normal use. It accepts both 110 V AC and 220 V AC input, making it suitable for worldwide deployment. Energy-efficient EPA compliance helps keep operating temperatures moderate under typical loads. No fan-speed or acoustic data is provided by the supplier.

Replaces Original Dell W299G Unit

This unit directly replaces the original Dell W299G power supply in Precision T5500 systems. The upgrade is worth it when the existing PSU shows instability, fan failure or insufficient headroom for added components. It restores factory-spec 875 W delivery without modifications. Systems requiring higher wattage or non-ATX connectors will need a different solution.

How it compares

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

Price $154.99
Typical for this category: the median of 10,869 items is $142.99.
Max wattage 875 W
Higher than about 62% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameDELL
Product typeATX Power Supply
Power
Max wattage875 W
Power efficiency> 85%
Efficiency certificationEPA
Supply voltage110 V AC 220 V AC

Questions about this item

How do I install the 24-pin ATX connector on this 875 W unit and what step is often missed?

Align the keyed 24-pin plug with the motherboard socket and press until the latch clicks; the step people miss is not seating the latch fully, leaving the connection loose.

What maintenance or replacement will this EPA-rated 875 W supply need over time?

Expect to clean dust from the intake vents periodically and replace the internal fan if it becomes noisy; the electrolytic capacitors will eventually age and require unit replacement.

What limit appears first when this 875 W supply runs at high load for long periods?

The >85 % efficiency target means sustained loads near 875 W generate more heat, so thermal protection is the first limit reached under continuous heavy draw.

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