Can you provide more information about the OLED display on the power supply and what kind of data it shows?

The OLED display monitors power draw in real time.

Questions & Answers: ASUS ROG Thor2 1000W Platinum II, 1000W ATX 12V 80 PLUS PLATINUM Certified Full Modular Power Supply,PCIE5.0/AURA SYNC/OLED ROG-THOR-1000P2

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ASUS ROG Thor2 1000W Platinum II, 1000W ATX 12V 80 PLUS PLATINUM Certified Full Modular Power Supply,PCIE5.0/AURA SYNC/OLED ROG-THOR-1000P2

Lambda A++ Certification confirms the latest Thor wields menacing power in absolute stealth.
ROG heatsinks cover critical components, delivering lower temperatures and reduced noise.
A 135mm Axial-tech fan with PWM control delivers lower noise and keeps thermals in check.
Built with 100% Japanese capacitors and other premium components to achieve 80 Plus Platinum Certification.
OLED display monitors power draw in real time.
Aura Sync compatibility lets you customize and sync lighting effects with other compatible hardware.
Note: This power supply is the Chinese model, each will come with a U.S. standard power adapter cable.