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GAMDIAS PCIe 5.1 & ATX3.1 Gold 1000W Power Supply for GeForce RTX 5000 Series, 1000W Fully Modular ATX 80 Plus Gold Computer PSU for Gaming PC Desktops, Low-Noise Fan, HELIOS P2-1000G

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Arrives Thursday, Mar 12
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Model: HELIOS P2-1000G


Features

  • 80 PLUS GOLD CERTIFIED EFFICIENCY: Guarantee up to 92% efficiency at 50% load reducing carbon footprint and power consumption, 80+ Gold certification offers steady voltage output with DC to DC topology design for the latest GeForce GPU.
  • RTX 5000 series Ready by PCIe 5.1 & ATX 3.1 with NATIVE 12VHPWR CABLE: HELIOS P2-1000G is designed to meet ATX 3.1 standards and PCIe Gen 5.1 connector compatibility while offering up to 200% total power excursion to fulfill the power requirements of next-generation RTX 5000 series graphics cards. The native 16 PIN (12VHPWR) PCIe connector can deliver up to 600W for PCIe 5.1 graphics cards, providing powerful and stable performance and allowing the PSU to natively run next-generation GPUs.
  • Quiet Operation with 135mm DUAL-BALL BEARING SMART FAN CONTROL: Featuring a high-quality 135mm dual-ball bearing fan, providing excellent thermals, acoustics, and high durability to ensure a longer PSU lifetime. Furthermore, the smart fan will adjust the fan speed and minimizes undesired noise.
  • FULLY MODULAR DESIGN & EXTENSIVE GPU SUPPORT: The HELIOS 1000 Wattage Gold PSU is designed to support new NVIDIA and AMD graphics cards with increased power demands and different connectors, with additional support to a 12+4-pin VGA power connector (12VHPWR) and up to four 6+2-pin VGA power connectors. This PSU offers complete protection, meeting full demands to help the system operate safely and stably.
  • PREMIUM JAPANESE CAPACITORS 105 C/221F: Made with the most reliable 100% high-quality Japanese 105C/221F electrolytic capacitors, providing great durability as well as offering the highest power stability. Made with premium DC to DC structure with full bridge LLC resonance assist and 12V synchronous rectification providing a safe and stable output.

Description

PEAK PERFORMANCE AND RELIABILITY HELIOS P1-1000G is a fully modular next- generation power supply unit featuring an 80 Plus Gold certification, supports ATX 3.0 and PCIe Gen 5.0, with 100% highly reliable Japanese capacitors. The PSU ensures top-of-the-line stability, reliability, and overclocking and eliminates system bottlenecks to achieve the best performance possible.

Model Name: HELIOS P2-1000G


Brand: GAMDIAS


Compatible Devices: Personal Computer


Connector Type: ATX, PCI Express


Output Wattage: 1000 Watts


Form Factor: ATX


Wattage: 1000 watts


Cooling Method: Air


Item dimensions L x W x H: 12.8 x 8.27 x 4.13 inches


Item Weight: 3300 Grams


Product Dimensions: 12.8 x 8.27 x 4.13 inches


Item Weight: 7.28 pounds


Manufacturer: GAMDIAS


Item model number: HELIOS P2-1000G


Date First Available: April 19, 2023


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Mar 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • One of the best for the price
Model: HELIOS P2-1000G
One year so far and is still working. I have an Rtx 4080 super with the 14700k intel, msi motherboard and aio cooling with 7 fans and have plenty of power.
Reviewed in the United States on September 29, 2025 by Christian Joel Lopez

  • Inexpensive, reliable, does the job.
Model: HELIOS P2-1000G
This is my second gamdias 1000w psu, powers my 4080 and 4090 easily without and problems. Bought a second one for a 2nd build.
Reviewed in the United States on June 24, 2024 by Ace Campano

  • Great
Model: HELIOS P2-1000G
Solid psu
Reviewed in the United States on October 20, 2025 by Thys

  • Died in about 5 months
Model: HELIOS P2-1000G
Very displeased. Their warranty support is horrible as well.
Reviewed in the United States on December 17, 2024 by David Rhyne

  • ATX3.1, only 1 CPU plug, only two PCIe plugs, no silent running switch.
Model: HELIOS P2-1000G
The pictures and description on the product webpage are incorrect. It's better that it is ATX3.1, but it is missing a second CPU and third PCIe connector. It's also missing the silent running fan switch on the back. Good customer service though and prompt response. :)
Reviewed in the United States on February 7, 2025 by Aaron Aaron

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