PC Power Supply

GAMEMAX Ultimate Power Supply Solutions for RTX 5080

2025-04-21

As the sub-flagship GPU based on NVIDIA’s Blackwell architecture, the RTX 5080 presents stringent power demands with a 360W TDP and 600W peak power consumption. Key requirements for compatible PSUs include:


  • Instantaneous Load Response: Capability to handle sudden power surges during intensive tasks like ray tracing or 4K high-resolution rendering.

  • Interface Compatibility: Native support for the 12V-2×6 16Pin (PCIe 5.1) connector to avoid voltage drop risks from adapters.

  • Long-Term Stability: 80 Plus Gold or higher certification for low heat, low noise, and high energy efficiency.

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II. GAMEMAX Power Supply Technical Advantages & Innovations

GAMEMAX addresses the RTX 5080’s needs through breakthroughs in architecture, components, and cooling:


1. Power Architecture: Native ATX 3.1 & PCIe 5.1 Support
  • Dynamic Power Distribution: Models like the GX PRO 1050G use an LLC Resonance + DC-DC Conversion scheme, enabling single-channel +12V output to support 3x the GPU’s peak power (1800W instantaneous capacity). Voltage fluctuation is controlled within <1% during high GPU loads.

  • Upgraded Interface Standards: Premium models (e.g., RGB PRO 1300PGX PRO 1250G) feature native 12V-2×6 16Pin connectors, eliminating safety hazards from 12VHPWR adapters.


2. Component Quality & Reliability: Industrial-Grade Materials
  • Capacitor Design: Flagship models (RGB PRO 1300P) utilize full Japanese 105℃ temperature-resistant capacitors with full-bridge LLC circuits, ensuring 100,000 hours of fault-free operation. Mid-range models (e.g., GX 850GF) use high-quality Taiwanese capacitors for balanced performance and cost.

  • Cooling Design: The 13.5cm FDB (Fluid Dynamic Bearing) fan in GX PRO series supports smart start-stop technology, achieving <20dB noise at low loads. High-load thermal management keeps internal temperatures below 45℃ (ambient 25℃).


3. Efficiency & Compatibility: Full-Scenario Adaptation
  • Energy Certification: Full coverage of 80 Plus Gold/Platinum certifications, with typical load efficiencies exceeding 90% (Gold) or 92% (Platinum) to reduce long-term energy costs.

  • Form Factor Options: Both ATX standard (160×150×86mm) and SFX compact (125×100×63.5mm, e.g., GS 850G) designs cater to full-tower cases and ITX mini PCs.


III. Recommended GAMEMAX PSUs for RTX 5080

Three core models tailored to performance, size, and budget:


ModelRGB PRO 1300P (Platinum)GX PRO 1050G (Gold)GS 850G (Gold)
Power Rating1300W1050W850W
PCIe 5.1 Ports3×16Pin2×16Pin1×16Pin
Key TechnologyFull-Bridge LLC + Japanese CapsLLC + DC-DC High-EfficiencyGaN Components + SFX Compact
Fan Solution14cm ARGB Smart-Temp Fan13.5cm FDB Silent Fan9cm Low-Noise Axial Fan
Use CaseMulti-GPU/Extreme OverclockingMid-High-End Water/Air CoolingITX Small Cases/HTPC
Unique AdvantageRedundant 16Pin Design+12V Ripple <30mV30% Smaller Size for Mini Builds


IV. Horizontal Comparison: GAMEMAX vs. Competitors (850W Segment)

BrandModelCertification+12V Output (A)Native 16PinDimensions (mm)Typical Efficiency
GAMEMAXGX PRO 850G80 Plus Gold70.8Yes160×150×8692%
Super FlowerLEADEX G85080 Plus Gold70No165×150×8690%
CorsairRM850x80 Plus Gold70No150×140×8690%


GAMEMAX Key Advantages:


  • Native Interface: The only brand with native 16Pin connectors in all premium models, eliminating adapter risks.

  • Efficiency-Size Balance: GX PRO 850G leads in efficiency and compactness for its power class.

  • Cost-Effectiveness: 10%-20% more affordable than competitors, with 5-year (or 10-year for select models) warranties.


V. User Testing & Professional Validation

1. Extreme Load Tests (RTX 5080 + i9-14900K)
  • GX PRO 1050G: 1-hour dual stress test showed +12V voltage fluctuation of 0.7% (industry excellence <1.5%), with GPU connector temperature at 58℃ (better than the 65℃ average).

  • GS 850G: Operated in an ITX case with 28dB noise (1m distance) and 42℃ surface temperature, ideal for compact cooling environments.


2. 权威认证 (Authoritative Certifications)
  • 80 Plus Lab Data: RGB PRO 1300P achieved 94.1% efficiency at 50% load, exceeding Platinum certification standards.

  • EMI Compliance: All models pass CE and FCC certifications, minimizing electromagnetic interference with motherboards/peripherals.


VI. Buying Guide: 3 Steps to Choose the Right GAMEMAX PSU

  1. Power Calculation: Opt for 850W+ (1050W+ for overclocked CPUs/multiple storage drives).

  2. Interface Priority: Prioritize models with “ATX 3.1 + PCIe 5.1” dual certification (e.g., names containing “PRO” or “RGB PRO”).

  3. Case Compatibility:

    • Full-Tower/Mid-Tower: Choose ATX standard models (GX PRO series) for cable management and cooling.

    • ITX/HTPC: Select SFX models (GS 850G), ensuring case compatibility (some mini cases support only SFX-L).


VII. Conclusion: Why GAMEMAX is the Optimal Choice for RTX 5080 Builds

From native PCIe 5.1 support to industrial-grade power architecture, GAMEMAX PSUs address the RTX 5080’s high-frequency loads, transient power demands, and compact build needs across all scenarios. Whether for extreme overclocking (RGB PRO 1300P), mainstream high-end systems (GX PRO 1050G), or ITX enthusiasts (GS 850G), precise model selection ensures an optimal balance of performance, stability, and value. In the RTX 5080, GAMEMAX stands out as a reliable choice through technical innovation and user-centric design.


GX-850 PRO WH (ATX3.1 PCIe5.1)

Best PSU for RTX 5080 GX-850 PRO WH (ATX3.1 PCIe5.1) | power Supply

850W 80 Plus Gold ATX3.1 PCIe5.1 power supply with PCIe5.1 12V-2*6 connector for direct RTX™ 40 Series GPU connection, minimizing current loss.
•  ATX3.1 & PCIe5.1 ready with 12V-2*6 connector
•  LLC MPS1213 Chipset optimizes LLC resonant circuit for high efficiency at all loads
•  UP3861 Chip ensures stable 3.3V and 5V outputs with reduced ripple noise
•  MPS6924 Chip boosts efficiency via optimized synchronous rectification
•  105℃ Japanese bulk capacitors ensure long life and stable output
•  Quiet, temperature-controlled axial fan for efficient cooling
•  Seven protection levels: OTP, OCP, SCP, OVP, UVP, OPP, SIP
•  Black flat copper output cables for efficient power delivery
•  SMT-produced components for fast heat dissipation and stability