Power Supply Recommendation Results
CPU: AMD Ryzen 9 9900X
GPU: GeForce RTX 5090
Total System Power Draw: 820 Watts
Recommended PSU Wattage: 1200 Watts
Recommended Power Supplies
NZXT C1200 Gold ATX 3.1 – Fully Modular Low-Noise PC Gaming Power Supply – 1200 Watts – 80 Plus Gold – 12V-2×6 Connector – Zero Fan Mode – 100% Japanese Capacitors – Black
- Wattage: 1200W
- Efficiency: 80+ Gold
- Form Factor: ATX
- Modularity: Full-Modular
- Price: $192.99
Thermaltake Toughpower GF3 1200W, True 600W 12VHPWR Connectors on PSU & NVIDIA RTX 40 series, ATX 3.0/PCI-E 5.0 Ready, 80+ Gold, SLI/Crossfire Ready Power Supply, PS-TPD-1200FNFAGU-4, 10 Year Warranty
- Wattage: 1200W
- Efficiency: 80+ Gold
- Form Factor: ATX
- Modularity: Full-Modular
- Price: $169.99
ASUS TUF Gaming 1200W Gold (1200 Watt, ATX 3.0 Compatible Fully Modular Power Supply, 80+ Gold Certified, Military-Grade Components, Dual Ball Bearing, Axial-tech Fan, PCB Coating, 10 Year Warranty)
- Wattage: 1200W
- Efficiency: 80+ Gold
- Form Factor: ATX
- Modularity: Full-Modular
- Price: $219.99
Why You Need This Wattage
The recommended PSU wattage is calculated based on the total power draw of your CPU (AMD Ryzen 9 9900X) and GPU (GeForce RTX 5090), plus an estimated 100 watts for other components like motherboard, RAM, and storage devices.
We also add a 30% headroom for optimal efficiency, power spikes, and future upgrades. This ensures your system runs stable and your PSU operates in its optimal efficiency range.