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OMEN 1000W Power Supply - ATX 3.1 Fully Modular 80 Plus Gold

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Product # A4WK3AA#ABA
  • Perform at your best with 1000W of power
  • Modular connections with 12V-2 × 6 support
  • 105°C Japanese Capacitors and 80 PLUS Gold Certified and Cybenetics Platinum Certified
  • Zero RPM Mode and Fluid Dynamic FanSee all Specs
Upgrade your performance with the OMEN 1000W PSU. This ATX 3.1 power supply supports 12V-2 × 6 and 12VHPWR connectors with up to 600W of power. With Zero RPM mode, the fan shuts off during low heat loads, ensuring silent power delivery. Equip your PC with stable, consistent power to perform at your best.

Boost your performance

Packed with 1000W, this ATX 3.1 PSU delivers efficient, dependable power, keeping your PC running smoothly so you can perform at your best.

Clear the cables

Eliminate cable clutter with modular connections and a PCIe 5.1 cable providing up to 600W of power for the latest graphics cards with 12VHPWR and 12V-2 × 6 ports.

Reliable, efficient power

Enjoy reliable performance from 105°C Japanese capacitors and stable, energy-efficient power with Cybenetics Platinum and 80 PLUS Gold certification.

Technical Specs

Connector

2 EPS connectors
1 ATX connector
6 SATA connectors
4 PATA connectors
2 PCIe connectors

Input voltage

100 - 240 V AC, 50/60 Hz, 12A - 6A
+3.3V DC/20A
+5V DC/20A
+12V DC/82A
+5V SB/3A

Dimensions (W X D X H)

5.9 x 6.29 x 3.38 in

Weight

5.57 lb

Warranty

HP ten-year limited warranty

What's in the box

OMEN 1000W Power Supply - ATX 3.1 Fully Modular 80 Plus Gold; Power cable; Cable bag; 4 x screws; 9 x Cable ties; 2 x EPS/ATX12V cable 8-pin (4 + 4); 2 x PCIe cable 8-pin (6 + 2); 1 x 12V-6x2 cable; 1 x SATA cable (4 right); 2 x SATA cable (3 right); 1 x ATX cable 24-pin; 1 x PATA cable (3 right and 1 straight); HP Installation Guide (QR code for YouTube)

Reviews and Q&A

OMEN 1000W Power Supply - ATX 3.1 Fully Modular 80 Plus Gold is rated 4.0 out of 5 by 1.
  • y_2026, m_4, d_15, h_7
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Rated 4 out of 5 by G Miller from It's fine but for how long? The 1K PS appears to be completely functional and all the modular wires and connectors were present. HP's Youtube instructions were invaluable in installing and appreciated. The reason I installed it is because the under spec'd/powered 800w original malfunctioned for 2 yrs. and then failed completely after only 3 yrs. The Omen is the first ready made pc I've bought in 30 yrs I didn't design and build myself the last one is 8 yrs. old & obsolete but still works. The one you built didn't so is the 1K PS ok yes it works but for how long? Next time you're not making my PC I'll pick the correct PS and save myself $320.
Date published: 2026-03-04
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Return and exchange information
Most items may be returned within 30 days of delivery. A restocking fee of up to 15% of the purchase price may be deducted from your refund for returned items, except where prohibited by law. No restocking fee applies to defective or incorrect items. A restocking fee is not applicable for printers, ink, toner, paper, care packs, software and services. For details, please visit: https://www.hp.com/us-en/shop/cv/returnsandexchanges.
Country/Region :   United States