Suggested PSU for AMD Ryzen 9 9900X3D and AMD Steam Deck OLED GPU
CPU 
GPU Recommended 400W Power Supplies
Recommended 450W Power Supplies
| AMD Ryzen 9 9900X3D Specifications | |
| Power Draw (TDP) | 120W |
| CPU Cores | 12 |
| CPU Threads | 24 |
| CPU Frequency | 4.4-5.5GHz |
| L3 Cache | 128MB |
| Lithography | 4nm |
| AMD Steam Deck OLED GPU Specifications | |
| Power Draw (TDP) | 15W |
| Memory Size | 16GB |
| Memory Type | LPDDR5 |
| Lithography | 6nm |
What PSU fits AMD Ryzen 9 9900X3D and AMD Steam Deck OLED GPU?
You need a power supply with at least 350W
What are the power supply requirements for AMD Ryzen 9 9900X3D?
The minimum power supply requirements for AMD Ryzen 9 9900X3D are a PSU rated with at least 300W
What are the power supply requirements for AMD Steam Deck OLED GPU?
The minimum power supply requirements for AMD Steam Deck OLED GPU are a PSU rated with at least 250W
What are the power supply requirements for AMD Ryzen 9 9900X3D and AMD Steam Deck OLED GPU?
The minimum power supply requirements for AMD Ryzen 9 9900X3D and AMD Steam Deck OLED GPU are a PSU rated with at least 350W
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About AMD Ryzen 9 9900X3D
The processor Ryzen 9 9900X3D, made by AMD, was released on January of 2025.
The CPU has 12 cores with hyper threading (24 threads). The frequency of the CPU is 4.4GHz and can go up to 5.5GHz.