As NVIDIA RTX 40-series graphics cards and AMD's new-generation GPUs debut, the PCIe 5.1 interface, with its doubled bandwidth (16GB/s per lane) and higher power requirements, has propelled power supply technology into the ATX 3.1 era. As an innovator in the power supply sector, GAMEMAX's GX PRO series and PRO BK series power supplies fully support the PCIe 5.1 standard, directly adapting to RTX 4090/4080 and other graphics cards via the 12V-2×6pin dedicated interface. Compared with traditional adapter solutions, this reduces current loss by over 15%, addressing power supply stability under high loads at the hardware foundation.
The core advantages of PCIe 5.1 power supplies lie in:
Dynamic Power Response: The ATX 3.1 standard requires power supplies to respond to transient loads three times the rated power within 100μs. GAMEMAX optimizes this with LLC resonant circuits and MPS1213 chipset, compressing the response time to 80μs, avoiding voltage drops during the graphics card's instant high-load scenarios;
Energy Efficiency and Heat Dissipation Balance: Under 80 Plus Gold/Platinum certification, typical load efficiency exceeds 90% (e.g., GX PRO 1250G achieves 92% efficiency at 50% load), paired with an FDB silent fan to deliver a "high-load zero 啸叫 (zero squeal)" user experience;
Hardware Compatibility: The native PCIe 5.1 interface supports the 12VHPWR power supply protocol defined by PCI-SIG, with a single interface capable of carrying up to 600W power, eliminating the need for multi-cable adapters and simplifying installation complexity.
GX PRO 1250G/1050G:
As flagship models ready for ATX 3.1, these two power supplies adopt a triple topology structure of APFC+LLC+DC-DC, achieving 90% typical efficiency in the 1250W/1050W power range. The specially designed PCIe 5.1 interface is directly soldered to the PCB board, reducing cable impedance. Paired with 10-year warranty all-solid-state capacitors, it becomes the ideal choice for RTX 4090 dual-card platforms. The modular cables use flat braided technology, improving cable management efficiency by 40%, and are compatible with full-tower case backline designs.
GX PRO 850G/750G:
Aimed at mid-to-high-end graphics card users, the 850W and 750W models optimize size design (only 160mm in length) while maintaining ATX 3.1 compatibility, fitting compact cases. Their intelligent fan start-stop technology keeps the fan stationary below 40% load, with noise controlled under 20dB, suitable for gaming scenarios pursuing silence.
GX-1250 PRO BK/1050 PRO BK:
As 80 Plus Platinum certified power supplies, the 1250W model achieves efficiencies of 90%/92%/89% at 20%/50%/100% loads, exceeding Gold standards. The exclusive LLC MPS1213 chipset reduces switching losses by 30% through dynamic frequency adjustment. Paired with blackened full-modular cables, it becomes a popular choice for MOD 装机 (modding) enthusiasts. The PCIe 5.1 interface uses gold-plated contacts, enhancing oxidation resistance by 5 times, maintaining low impedance characteristics for long-term use.
GX-850/750 PRO BK:
For RTX 4070/4060 Ti users, the 850W and 750W models incorporate overcurrent/overvoltage/short circuit protection (OCP/OVP/SCP) while maintaining PCIe 5.1 compatibility, with protection levels reaching industrial standards. The 135mm diameter FDB fan uses a hydraulic bearing, with a service life exceeding 100,000 hours, suitable for 24/7 server or rendering workstation operations.
Efficiency Equals Cost: A Hardware Investment for Long-Term Power Savings
Taking the GX PRO 1050G as an example, compared to non-80 Plus power supplies, using it 8 hours a day can save approximately 50 kWh of electricity per year, covering the price difference within 5 years. For internet cafes or enterprise users, bulk deployment can significantly reduce electricity costs.
Silent Revolution: Hydrodynamic Design of FDB Fans
All PCIe 5.1 models use Fluid Dynamic Bearing (FDB) fans, optimizing airflow through 7-blade scythe-shaped fan blades, with noise as low as 28dB at 3000RPM, equivalent to library environment volume. Compared to traditional oil-sealed fans, FDB fans reduce shaft noise by 60% and require no regular maintenance.
Future-Proofing: Zero Concerns for Hardware Upgrades
GAMEMAX PCIe 5.1 power supplies not only support existing RTX 40-series graphics cards but also proactively adapt to next-generation PCIe 5.1 devices (such as PCIe 5.1 SSD arrays or professional computing cards). Their 12V single-rail output design (e.g., the GX-1250 PRO BK's 12V output reaches 104A) provides ample redundancy for extreme configurations with multi-GPUs and multi-storage devices.
Gamers: For RTX 4090/4080, it is recommended to choose models above 1050W (such as GX PRO 1250G or GX-1250 PRO BK) to ensure power margin during dual testing; below RTX 4070 Ti, 750W-850W models (such as GX PRO 850G) are suitable.
Content Creators: For multi-tasking scenarios like 3D rendering and video editing, a 1050W Platinum-grade power supply (GX-1050 PRO BK) is recommended, as its stable 12V output avoids voltage fluctuations when CPU and GPU are fully loaded simultaneously.
Users with Silence Requirements: Prioritize models supporting fan start-stop technology (such as GX PRO 750G), combined with passive cooling under low loads to achieve a "zero-noise" office environment.
The PCIe 5.1 power supply is no longer just a power supply device but a key hub connecting hardware performance and user experience. Based on the ATX 3.1 standard, GAMEMAX integrates energy efficiency, silence, and compatibility into a complete solution through full power range coverage from 550W to 1250W. Whether for e-sports players pursuing ultimate performance or professionals needing stable output, its PCIe 5.1 series power supplies take "future adaptability" as the core, becoming the energy hub for next-generation PC installations.
GX PRO 750G 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.
GX PRO 850G 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.
GX PRO 1050G 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.
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.
