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Rectangular metal ATX power supply unit with fixed cable harness and cooling fan

SMUGDESK

SMUGDESK 500W ATX Power Adapter for HP Omen 870 ENVY 750

SKU CH-HKM4-MM6DQ

A 500W ATX power supply that directly replaces the original unit in HP Omen 870 and ENVY 750 desktops with identical wiring and mounting

  • Direct drop-in fit for HP Omen 870 and ENVY 750 desktops
  • 500W continuous power with 80 Plus Bronze efficiency
  • Pre-wired 24Pin, CPU and GPU cables plus multiple SATA connectors
  • Temperature-controlled fan with high-temperature capacitors for 24/7 stability
  • OVP, OCP, SCP, OTP protection with UL, CE, FCC, RoHS certification

Exact OEM Replacement

This 500W ATX power supply matches HP part numbers DPS-500AB-20A, 746177-002, 849655-003 and PS-8501-2. It fits HP Omen 870 and ENVY 750 series desktops with identical dimensions and mounting holes. No chassis modification is required for installation.

Suits owners of listed HP models needing a direct

It supports mid-range discrete GPU upgrades and multiple SATA storage drives. Builders with non-HP cases, proprietary motherboard pinouts or power needs above 500W should look at other units. The fixed cable harness only matches the original HP wiring layout.

500W continuous output

Active PFC accepts 100-240V AC input across a multi +12V split rail structure. Integrated OVP, OCP, SCP and OTP protection circuits carry UL, CE, FCC and RoHS certification. A temperature-controlled fan maintains stable 24/7 operation.

Highlights

  • Direct drop-in fit for HP Omen 870 and ENVY 750 desktops
  • 500W continuous power with 80 Plus Bronze efficiency
  • Pre-wired 24Pin, CPU and GPU cables plus multiple SATA connectors
  • Temperature-controlled fan with high-temperature capacitors for 24/7 stability
  • OVP, OCP, SCP, OTP protection with UL, CE, FCC, RoHS certification

Specifications

No published specifications for this item yet.

Questions about this item

How loud and hot does the 500W unit get when it runs all day?

A temperature-sensing fan varies its speed and high-temperature capacitors keep the PSU stable during 24/7 gaming or content-creation workloads.

What cables must already be in the case for this PSU to plug straight in?

The fixed harness includes a 24-pin mainboard connector, 4+4-pin CPU connector, 6-pin plus 6+2-pin PCIe GPU connectors and multiple SATA connectors matching the original HP wiring.

Will the DPS-500AB-20A replacement fit the same mounting holes as the stock PSU in my Omen 870 or ENVY 750?

Yes, the chassis dimensions and mounting-hole layout are identical to the original unit, so no case modification is required.

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