The "ROG-STRIX-1200P-GAMING" power supply unit from ASUS supports both the NVIDIA GeForce RTX 4090 and future high-performance graphics cards such as the RTX 5090 with several important features:

- ATX 3.1 Compatibility: The power supply is compatible with the ATX 3.1 standard, providing tighter regulation of voltage and current, ideal for next-gen hardware.
- PCIe 5.0 Ready: It has a native 12V 2x6 pin connection that can deliver up to 600W of power for PCIe Gen 5.0 graphics cards, which is also sufficient for the RTX 4090 and future models such as the RTX 5090.
- 16-pin PCIe cable: The power supply comes with a 16-pin PCIe cable that has been specially developed for the high performance requirements of next-gen graphics cards.

Thanks to these features, the ROG-STRIX-1200P-GAMING power supply is well prepared to support future high-performance graphics cards such as the RTX 5090.