Description
The SuperFlower LEADEX III Gold ATX 3.1 is a cornerstone for high-end PC builds, merging the latest ATX 3.1 standards with the legendary reliability of the LEADEX platform. Designed to handle the transient power spikes of next-generation GPUs, this power supply offers 80 PLUS Gold efficiency and a robust 140mm FDB cooling system. Whether you are building a professional workstation or a flagship gaming rig, the LEADEX III provides the stability and safety protections required for long-term hardware health.
This product is for:
- Hardcore Gamers: Perfect for those running NVIDIA RTX 40-series or AMD RX 7000-series cards requiring stable 12VHPWR connections.
- PC Enthusiasts & Overclockers: Features Japanese main capacitors and low ripple voltage for stable performance under heavy loads.
- Silent Build Specialists: The ECO fan mode and 140mm FDB fan ensure near-silent operation during low-to-medium workloads.
- Professional Content Creators: Reliable power delivery ensures no system crashes during long rendering sessions or data-heavy tasks.
- System Integrators: Fully modular ribbon cables and a compact 150mm depth make cable routing simple in various chassis sizes.
Detailed specifications:
- Form Factor: ATX 12V v3.1 / EPS 12V v2.92
- Efficiency Rating: 80 PLUS Gold (up to 90% at 50% load)
- Cooling: 140mm Fluid Dynamic Bearing (FDB) Fan with Copper Shaft
- Cable Management: 100% Fully Modular Ultra-Flexible Ribbon Cables
- Protection Suite: OVP, OCP, OPP, SCP, UVP, OTP, NLO, SIP
- Capacitors: High-quality Japanese Main Capacitor
- Dimensions: 150mm (L) x 150mm (W) x 86mm (H)
- Warranty: 10-Year Limited Warranty
Using the LEADEX III Gold ATX 3.1 is a seamless experience from installation to daily operation. The ultra-flexible ribbon cables are a standout feature, allowing for tight bends and clean routing that traditional sleeved cables struggle with. During high-intensity gaming, the 140mm fan maintains a steady, low-frequency hum that is easily masked by case fans, while the ECO mode keeps the unit completely silent during web browsing. The inclusion of the 16-pin PCIe 5.1 connector eliminates the need for messy adapters, providing a direct, secure link to modern graphics cards.
Compared to the previous LEADEX III Gold (non-ATX 3.1), this updated version adds native support for the PCIe 5.1 standard and improved transient response to meet ATX 3.1 specifications. While many competitors use standard 120mm fans, SuperFlower’s 140mm FDB fan provides superior airflow at lower RPMs. Against entry-level Gold units, the LEADEX III distinguishes itself with its 50°C industrial-grade temperature testing and a comprehensive 10-year warranty, offering better long-term value than budget-oriented alternatives.
Q&A:
- Is the SuperFlower LEADEX III Gold ATX 3.1 compatible with RTX 4090 GPUs? Yes, it includes a dedicated 16-pin (12VHPWR) PCIe 5.1 cable designed specifically for high-power modern GPUs.
- What is the benefit of the ECO fan mode? The ECO mode allows the fan to remain off until the internal temperature reaches a specific threshold, ensuring silent operation during light tasks.
- Does this PSU use Japanese capacitors? Yes, it utilizes high-quality Japanese main capacitors to ensure durability and stable voltage regulation.
- What does the ATX 3.1 certification mean for my PC? ATX 3.1 improves power excursion handling, meaning the PSU can better manage sudden spikes in power demand from the CPU and GPU.
- How long is the warranty for the LEADEX III Gold? This product comes with a 10-year warranty, reflecting SuperFlower's confidence in its internal component quality and engineering.
