Still struggling to choose the right PSU?
In 2025, PC hardware is more power-hungry than ever. A power supply is no longer just a tool to “power on” your system — it’s the backbone of stability, efficiency, and future upgrades. Choosing a high-quality PSU means unlocking the full performance of your setup and ensuring long-term reliability.
GameMax, a trusted name among DIY PC builders, has launched a lineup of powerful, beautifully engineered PSUs this year — from high-wattage ATX3.1 monsters to compact SFX models. Whether you’re a creator, gamer, or minimalist ITX enthusiast, here are 5 of the best GameMax power supplies in 2025 that you should absolutely consider.
| Model | Wattage | Efficiency | Key Features | Best For |
|---|---|---|---|---|
| RGB PRO 1300P | 1300W | 80 PLUS Platinum | ATX 3.1 / PCIe 5.1 / ARGB Fan / Japanese Capacitors | High-end gaming, 4K/8K creators |
| GX PRO 1250G | 1250W | 80 PLUS Gold | LLC+DC-DC / Silent Fan / Full Modular | Multi-GPU builds, prosumers |
| RGB PRO 1050G | 1050W | 80 PLUS Gold | ARGB Sync / Native PCIe 5.1 / Modular Cables | RGB gaming rigs |
| GX PRO 850G | 850W | 80 PLUS Gold | Quiet Thermal Control / Japanese Capacitors | Mainstream gaming platforms |
| GS 850G (SFX) | 850W | 80 PLUS Gold | Compact SFX / ITX Support / Reliable Output | Mini-ITX builds, portable PCs |
GameMax’s flagship PSU, the RGB PRO 1300P, is built for the future. Featuring native ATX 3.1 and PCIe 5.1 support, it provides up to 1300W of clean, stable power — perfect for RTX 4090/5090 and high-end CPUs.
Highlights:
80 PLUS Platinum for 92%+ efficiency
Fully modular cable design
25-mode ARGB fan with sync support
Premium Japanese capacitors for max stability
Ideal For: Extreme gamers, 3D artists, AI/ML workstations
Offering incredible performance at a great value, the GX PRO 1250G uses LLC + DC-DC conversion for ultra-stable voltage regulation. Designed for demanding workloads and multi-GPU setups.
Highlights:
1250W output with silent thermal control
Modular cabling for neat builds
Over-voltage, over-current, and short circuit protection
High thermal endurance components
Ideal For: Video editors, engineers, multi-tasking creators
Combining performance with flair, the RGB PRO 1050G supports full ARGB synchronization and powers up next-gen GPUs with PCIe 5.1 12V-2x6 support. Style meets substance.
Highlights:
1050W Gold-certified efficiency
ARGB fan with sync-ready lighting
Japanese capacitors ensure clean delivery
Fully modular design
Ideal For: Streamers, esports gamers, PC modders
With balanced power and whisper-quiet cooling, the GX PRO 850G is ideal for most high-performance setups. Its all-Japanese capacitors and smart fan design make it reliable for everyday heavy use.
Highlights:
850W 80 PLUS Gold rating
Silent mode at low temps
Durable, long-life components
Fully modular for easy routing
Ideal For: Mainstream gamers, office + gaming hybrid PCs
Breaking the limits of small-form-factor power, the GS 850G packs 850W of Gold-certified output into a compact SFX body. Perfect for ITX systems running serious hardware.
Highlights:
True SFX form factor, 850W rated
Supports RTX 4070 Ti, high-performance CPUs
100% Japanese capacitors
High-density layout for maximum efficiency
Ideal For: Mini gaming PCs, LAN setups, creators on the move
From top-tier 1300W powerhouses to space-saving SFX units, GameMax’s 2025 PSU lineup reflects the brand’s commitment to innovation, stability, and performance. Whether you’re after raw power, elegant RGB, or compact precision — GameMax has a tailored solution for your needs.
A great PC starts with a strong foundation. In 2025, that foundation is a GameMax power supply.
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.
RGB PRO 1300P 1300W 80+ Platinum ATX3.1 Power Supply with Adaptive Fan & ARGB SYNC
• 80 Plus Platinum Efficiency: Delivers 92%+ efficiency under typical loads, cutting power use and noise for dependable performance.
• ATX3.1 & PCIe5.1 Support: Native 12V-2x6 connector ensures seamless power to RTX 40/50 GPUs, optimizing delivery and reducing loss.
• Adaptive Fan Control: 14CM fan auto-adjusts speed based on load, balancing energy efficiency with quiet operation.
• High-Quality Components: Japanese 105°C and solid capacitors guarantee durability, stability, and reliability for intensive tasks.
• Customizable RGB Lighting: 25 lighting modes with memory and ARGB SYNC support, enabling personalized and synchronized visual effects.
