GAMDIAS
GAMDIAS PCIe 5.1 & ATX3.1 Gold 1000W Power Supply for GeForce RTX 5000 Series
Bottom line: The GAMDIAS PCIe 5.1 & ATX3.1 Gold 1000W Power Supply is a specs-and-price decision rather than a crowd-consensus one in the power supplies & cables category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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Pros & Cons
Pros
- ✓ Backed by GAMDIAS's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer 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.
SpecPicks Verdict
SpecPicks scored GAMDIAS PCIe 5.1 & ATX3.1 Gold 1000W Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. GAMDIAS's power supplies & cables lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for power supplies & cables of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key 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/221°F: Made with the most reliable 100% high-quality Japanese 105°C/221°F 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.
Full Specifications
| Brand | GAMDIAS |
|---|---|
| Weight | 1000g |
| Wattage | 1000 watts |
| Model Name | HELIOS P2-1000G |
| Form Factor | ATX |
| Model Number | HELIOS P2-1000G |
| Compatibility | PC |
| Connector Type | ATX, PCI Express |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 1000 watts |
| Item Dimensions | 12.8 x 8.27 x 4.13 inches |
| Mfr Part Number | HELIOS P1-1000G |
| Number of Items | 1 |
| Compatible Devices | Personal Computer |
| Power Supply Design | Full Modular |
| Warranty Description | 1 Year Manufacturer |
| Maximum Input Voltage | 240 volts_of_alternating_current |
| Minimum Input Voltage | 100 volts_of_alternating_current |
| Item dimensions L x W x H | 12.8 x 8.27 x 4.13 inches |
| Full listing title | 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 |
Ready to buy?
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 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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