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Standard ATX power supply unit in black metal casing with cooling fan and fixed cable harness

SMUGDESK

SMUGDESK 500W ATX Power Supply DPS-500AB-20A for HP Omen 870

SKU CH-Z6PE-NHAN0

Replacement 500W ATX power supply with 80 Plus Bronze efficiency and original HP wiring for Omen 870 and ENVY desktops

  • Direct drop-in fit for HP Omen 870 chassis
  • 500W continuous output with 80 Plus Bronze efficiency
  • Original OEM wiring with dual 6Pin PCIe connectors
  • Smart thermal fan for low-noise 24/7 operation
  • Full OVP OCP SCP OTP protection circuits certified

Direct OEM Replacement for HP Omen 870

This 500W ATX power supply is a direct drop-in replacement for HP part numbers DPS-500AB-20A, 746177-002, 849655-003 and PS-8501-2. It matches the original factory dimensions and mounting holes exactly, fitting Omen 870 and compatible ENVY tower chassis without any case modification required.

Upgrades Stock Low-Wattage Units for GPU Installs

The unit replaces the factory low-wattage PSU that blocks discrete graphics card installation. Its 500W continuous rated output with stable multi +12V rail design provides sufficient power headroom for mid-range GPU upgrades and multi-storage expansion. The jump is worth it when the original supply cannot support added components or has failed.

Sustained 24/7 Operation with Active Thermal Control

Temperature-controlled variable speed cooling fan and high-temperature durable capacitors maintain stable output during extended daily office, content creation and casual gaming workloads. 80 Plus Bronze certification with Active PFC ensures efficient continuous running across universal 100-240V input. Built-in OVP, OCP, SCP and OTP circuits protect connected hardware under sustained load.

Highlights

  • Direct drop-in fit for HP Omen 870 chassis
  • 500W continuous output with 80 Plus Bronze efficiency
  • Original OEM wiring with dual 6Pin PCIe connectors
  • Smart thermal fan for low-noise 24/7 operation
  • Full OVP OCP SCP OTP protection circuits certified

Specifications

No published specifications for this item yet.

Questions about this item

What chassis and mounting-hole pattern does the DPS-500AB-20A fit?

Identical dimensions and mounting holes to the original HP unit; drops straight into the Omen 870 and matching ENVY tower without case modification.

Which cables must be connected during installation and what is the common mistake?

Connect the 24Pin mainboard, 4+4Pin CPU, dual 6Pin PCIe and SATA power cables; the step often missed is seating both halves of the 4+4Pin CPU connector firmly.

What component will need attention after years of 24/7 use?

The temperature-controlled fan and high-temperature capacitors are the wear items; expect fan bearing noise or capacitor ageing after prolonged continuous operation.

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