Asus ROG Thor 1200W Platinum III ATX 3.1 Fully Modular SMPS

The ASUS ROG Thor 1200W Platinum III (ROG-THOR-1200P3-GAMING) is a fully modular ATX 3.1-compliant power supply built for enthusiast-grade gaming and content-creation systems that demand stable, high-efficiency power delivery. At its core is a Gallium Nitride (GaN) MOSFET, a next-generation switching technology that delivers up to 30% greater power efficiency compared to conventional silicon MOSFETs. The smaller physical footprint of GaN components also allows for a more spacious internal layout, accommodating larger ROG heatsinks and improved airflow for sustained cool operation. The patented “GPU-First” Intelligent Voltage Stabilizer (IVS) is a standout differentiator. By connecting the dedicated IVS cable, the PSU prioritises voltage sensing at the graphics card rail, enhancing voltage stability by up to 45% during demanding workloads and overclocking scenarios. Disconnecting the cable reverts to conventional CPU-centric voltage sensing, giving users flexibility based on their build priorities. A magnetic OLED display mounts on the exterior of the unit and shows real-time power draw at a glance. Its magnetic attachment lets it be repositioned to either side of the PSU housing, accommodating both fan-up and fan-down chassis orientations without sacrificing visibility. Thermal management is handled by a dual-ball-bearing fan rated for up to 80,000 hours of operational life — twice the rated lifespan of sleeve-bearing alternatives. The 0dB mode engages automatically when the PSU load drops to 30% or below, shutting the fan off entirely for silent operation. Turbo Mode, activated via a rear-panel button, engages a more aggressive fan curve to support extended power excursions during overclocking. Etched modular cables are constructed from a pliable premium material certified to UL1581 and UL758 standards. They operate at temperatures 50°C below the safety threshold during normal cable-management routing. The 4+4-pin CPU connector features a distinct clip and colour-coded design for easier identification during installation. Addressable Aura Sync RGB LEDs are built into the unit, compatible with ASUS and ROG Aura-sync ecosystems. Smart Mode links LED colour to real-time GPU temperature on supported ASUS and ROG graphics cards. Verified Specifications: – Rated Output Power: 1200W – ATX Standard: ATX 3.1 – Efficiency Certification: 80 PLUS Platinum; Cybenetics Lambda A++ (noise below 15 dB) – Power Factor Correction: Active PFC – AC Input Range: 100–240 Vac – MTBF: >120,000 hours at 25°C – Protections: OPP, OVP, UVP, SCP, OCP, OTP – Modular Type: Fully Modular – Connectors: 1× MB 24/20-pin, 2× CPU 4+4-pin, 1× PCIe 16-pin, 4× PCIe 6+2-pin, 7× SATA, 6× Peripheral 4-pin – Fan Bearing: Dual-ball bearing (rated ~80,000 hours) – RoHS: Compliant – Warranty: 10 Years