PC Power Supply

GAMEMAX Power Supply for RTX 4090: Optimal Choices for High-Performance Builds

2025-04-28

When assembling a high-performance PC featuring the NVIDIA RTX 4090 graphics card, selecting the appropriate power supply unit (PSU) is paramount. The RTX 4090, known for its substantial power requirements, necessitates a PSU that can deliver consistent and reliable power to ensure optimal performance and system stability.

360截图-354592140.jpg

Understanding the Power Demands of RTX 4090

The NVIDIA RTX 4090 has a typical graphics power (TGP) of approximately 450W. However, the total system power consumption can vary based on other components such as the CPU, motherboard, storage devices, and peripherals. To accommodate these demands and provide headroom for peak loads, a PSU with a higher wattage is recommended.

GAMEMAX Power Supply Options for RTX 4090

GAMEMAX offers a range of power supplies that are well-suited for powering the RTX 4090. Here are some notable models:

1. GAMEMAX RGB-Smart 1300W PSU

  • Wattage: 1300W

  • Efficiency: 80 PLUS Platinum certified, ensuring high energy efficiency.

  • Connectors: Equipped with a native 16-pin 12VHPWR connector, compatible with the RTX 4090's power requirements.

  • Design: Fully modular design for improved cable management and airflow.

  • Cooling: Features a 140mm ARGB fan with customizable lighting effects.

  • Protection: Includes multiple protection mechanisms such as over-voltage, under-voltage, over-current, and short-circuit protection.

This PSU provides ample power capacity and efficiency, making it an excellent choice for high-end gaming and workstation builds.

2. GAMEMAX Rampage GX-1250 PRO PSU

  • Wattage: 1250W

  • Efficiency: 80 PLUS Platinum certified.

  • Connectors: Supports ATX 3.1 and PCIe 5.1 standards, with a native 16-pin 12VHPWR connector.

  • Design: LLC+DC-DC topology for stable voltage regulation.

  • Cooling: High-quality components and efficient cooling solutions.

  • Protection: Comprehensive protection features to safeguard components.

The Rampage GX-1250 PRO is designed for users seeking a balance between power capacity and efficiency, suitable for demanding applications.

01171.jpg

Considerations When Choosing a PSU for RTX 4090

  • Wattage: Ensure the PSU provides sufficient wattage to handle the total system power requirements, including the RTX 4090's 450W TGP.

  • Efficiency: Opt for a PSU with at least 80 PLUS Gold certification to ensure energy efficiency and reduce heat generation.

  • Connectors: Verify that the PSU includes the necessary connectors, such as the 16-pin 12VHPWR, to support the RTX 4090.

  • Protection Features: Choose a PSU with built-in protection mechanisms to prevent damage to components in case of electrical issues.

Conclusion

Selecting the right PSU is crucial for ensuring the stable and efficient operation of your RTX 4090-powered system. GAMEMAX's RGB-Smart 1300W and Rampage GX-1250 PRO PSUs offer the necessary power capacity, efficiency, and features to meet the demands of high-performance builds. By considering factors such as wattage, efficiency, connector compatibility, and protection features, you can make an informed decision to support your RTX 4090 and other system components effectively.


GX PRO 1250G

GAMEMAX Power Supply for RTX 4090 GX PRO 1250G

GX PRO 1250G 80 Plus Gold Modular Power Supply: ATX3.1 Ready, Silent Cooling, & Premium Durability
80 Plus Gold Efficiency & Quiet Operation: Achieves 90% efficiency under typical loads with APFC+LLC+DC-DC design, minimizing power waste and noise.
Premium Durability & Reliability: Built with Japanese 105°C capacitors and solid capacitors for long-term stability and performance.
ATX3.1 & PCIe5.1 Ready: Features a native 12V-2x6 connector for seamless RTX 40/50 GPU compatibility and efficient power delivery.
Advanced Thermal Management: 13.5cm FDB fan with intelligent temperature control ensures quiet cooling and optimal heat dissipation.
Modular Design & Robust Protection: Fully modular layout with dual-stage EMI filtering and NTC thermistor safeguards against surges, while gold-plated cables ensure durable, high-conductivity connections.

return