Suggested PSU for AMD EPYC 7742 and NVIDIA GeForce RTX 3090 Ti
You need a power supply with at least 900W
CPU 
GPU | AMD EPYC 7742 Specifications2 | |
| Power Draw (TDP) | 225W |
| CPU Cores | 64 |
| CPU Threads | 128 |
| CPU Frequency | 2.25-3.4GHz |
| L3 Cache | 256MB |
| Lithography | 7nm |
| NVIDIA GeForce RTX 3090 Ti Specifications | |
| Power Draw (TDP) | 450W |
| Memory Size | 24GB |
| Memory Type | GDDR6X |
| Lithography | 8nm |
What PSU fits AMD EPYC 7742 and NVIDIA GeForce RTX 3090 Ti?
You need a power supply with at least 900W
What are the power supply requirements for AMD EPYC 7742?
The minimum power supply requirements for AMD EPYC 7742 are a PSU rated with at least 450W
What are the power supply requirements for NVIDIA GeForce RTX 3090 Ti?
The minimum power supply requirements for NVIDIA GeForce RTX 3090 Ti are a PSU rated with at least 650W
What are the power supply requirements for AMD EPYC 7742 and NVIDIA GeForce RTX 3090 Ti?
The minimum power supply requirements for AMD EPYC 7742 and NVIDIA GeForce RTX 3090 Ti are a PSU rated with at least 900W
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About AMD EPYC 7742
The processor EPYC 7742, made by AMD, was released on August of 2019.
The CPU has 64 cores with hyper threading (128 threads). The frequency of the CPU is 2.25GHz and can go up to 3.4GHz.