Description
The SuperFlower LEADEX III PLATINUM ATX 3.1 represents a significant leap in power delivery technology, specifically engineered to meet the rigorous demands of modern high-performance computing. By adhering to the latest Intel ATX 3.1 and EPS 2.92 standards, this power supply unit (PSU) handles transient power spikes up to 200%, ensuring system stability during intense gaming or rendering sessions. Available in 750W and 850W variants with both black and white finishes, it combines Cybenetics Platinum efficiency with a compact 150mm chassis, making it a versatile foundation for any premium build.
- Hardcore Gamers: Provides stable power for NVIDIA RTX 40-series and future GPUs with native 12V-2x6 connectors.
- PC Enthusiasts & Overclockers: Features high-quality Japanese 105°C capacitors and tight voltage regulation for pushing hardware limits.
- Content Creators: Ensures 24/7 reliability for long rendering tasks with comprehensive industrial-grade protections (OVP, OCP, OTP, etc.).
- Silent Build Seekers: The 140mm H.D.B. fan and ECO thermal control system minimize noise during low-to-medium loads.
- Aesthetic Builders: Offers a fully modular design with flexible flat cables and color-matched chassis options to maintain a clean interior.
- Form Factor: Intel ATX 12V v3.1 / EPS 12V v2.92
- Efficiency: Cybenetics Platinum (≧89% - 93%)
- Dimensions: 150mm (L) x 150mm (W) x 86mm (H)
- Cooling: 140mm Fluid Dynamic Bearing (H.D.B.) Fan with ECO mode
- Capacitors: 100% Japanese 105°C rated
- Protection: OVP, OCP, OTP, SCP, UVP, OPP, NLO, SIP
- Connectivity: Native 12V-2x6 (PCIe 5.1), 20+4 Pin, Dual 4+4 Pin CPU, Multiple SATA and Molex
Installing the LEADEX III PLATINUM ATX 3.1 is a streamlined experience thanks to its fully modular, flat-ribbon cable design. The inclusion of the HCS terminals and the refined 12V-2x6 connector addresses the safety concerns of previous generations, allowing for tighter cable bends without risking thermal issues at the contact points. During operation, the "Auto + ECO" fan management system is a standout feature; it allows the 140mm fan to remain idle during light tasks, only spinning up when necessary to maintain an optimal 50°C internal environment. The 150mm depth ensures compatibility with a wide range of mid-tower cases without sacrificing cable management space.
Compared to standard ATX 3.0 power supplies, the LEADEX III PLATINUM ATX 3.1 offers superior safety through the updated 12V-2x6 header, which provides a more secure physical connection than the original 12VHPWR design. While many competitors use 120mm or 135mm fans, SuperFlower’s 140mm H.D.B. fan moves more air at lower RPMs, resulting in a quieter acoustic profile. Furthermore, its Cybenetics Platinum certification offers a more rigorous efficiency and noise validation than traditional 80 Plus ratings, ensuring users get the performance they pay for.
- What is the benefit of ATX 3.1 over ATX 3.0? ATX 3.1 introduces the 12V-2x6 connector, which features shorter sense pins to ensure power is only delivered when the cable is fully seated, preventing melting issues.
- Can this PSU handle an NVIDIA RTX 4090? Yes, the 850W model is fully compatible and includes the native 16-pin cable required for high-wattage PCIe 5.1 graphics cards.
- Is the fan always spinning? No, the ECO mode allows the fan to remain off during low loads, providing silent operation until the temperature threshold is reached.
- What does the 10-year warranty cover? The warranty covers defects in materials and workmanship, reflecting the high MTBF of the Japanese capacitors and H.D.B. fan.
- Does it support older motherboards? Yes, the 20+4 pin and 4+4 pin CPU connectors ensure backward compatibility with all modern Intel and AMD platforms.