Suggested PSU for AMD Ryzen 9 9900X3D and AMD Radeon RX 7900 GRE
CPU 
GPU Recommended 600W Power Supplies
Recommended 650W 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 Radeon RX 7900 GRE Specifications | |
| Power Draw (TDP) | 260W |
| Memory Size | 16GB |
| Memory Type | GDDR6 |
| Lithography | 5nm |
What PSU fits AMD Ryzen 9 9900X3D and AMD Radeon RX 7900 GRE?
You need a power supply with at least 600W
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 Radeon RX 7900 GRE?
The minimum power supply requirements for AMD Radeon RX 7900 GRE are a PSU rated with at least 450W
What are the power supply requirements for AMD Ryzen 9 9900X3D and AMD Radeon RX 7900 GRE?
The minimum power supply requirements for AMD Ryzen 9 9900X3D and AMD Radeon RX 7900 GRE are a PSU rated with at least 600W
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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.