Suggested PSU for AMD Ryzen 9 9900X3D and NVIDIA H800 PCIe 80 GB
CPU 
GPU Recommended 650W Power Supplies
Recommended 700W 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 |
| NVIDIA H800 PCIe 80 GB Specifications | |
| Power Draw (TDP) | 350W |
| Memory Size | 80GB |
| Memory Type | HBM2e |
| Lithography | 4nm |
What PSU fits AMD Ryzen 9 9900X3D and NVIDIA H800 PCIe 80 GB?
You need a power supply with at least 650W
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 NVIDIA H800 PCIe 80 GB?
The minimum power supply requirements for NVIDIA H800 PCIe 80 GB are a PSU rated with at least 550W
What are the power supply requirements for AMD Ryzen 9 9900X3D and NVIDIA H800 PCIe 80 GB?
The minimum power supply requirements for AMD Ryzen 9 9900X3D and NVIDIA H800 PCIe 80 GB are a PSU rated with at least 650W
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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.