Nvidia RTX 4090 officially asks for 850W, but your PC may need more

Some RTX 4090 Graphics Cards Recommend a 1200W Power Supply

GeForce RTX 40 Series & Power Specifications : r/nvidia

ASUS recommends 850W+ power supplies for GeForce RTX 4090/Radeon RX 7900 XTX systems

MPG Velox by MSI Gaming Desktop (NVIDIA GeForce RTX 4090, Intel 24-Core i9-14900KF Processor, 64GB DDR5 RAM, 2TB NVMe SSD + 6TB HDD, Windows 11 Home) Gamer PC Computer : Everything Else

Nvidia GeForce RTX 4090 Unboxing

Would you pay up to $1,999 for one of these custom RTX 4090 cards?

Empowered PC Sentinel Gaming Desktop - NVIDIA GeForce RTX 4080 16GB, Intel 24-Core i9-14900KF, 32GB DDR5 RAM, 1TB Gen4 NVMe + 3TB HDD, WiFi 6, Windows 11-360mm Liquid Cooled Tower Gamer

What power supply do you need for the Nvidia RTX 4090? - Chillblast Learn

Nvidia GeForce RTX 4090 Review

PC won't start after new PSU and RTX 4090 installation : r/pcmasterrace