Can I Run DeepSeek V4 Flash on a AMD Ryzen AI Max+ 395 (128GB)?
Runs at full precision (fp16). Zero quality loss.
5 quantizations fit your 96.0GB
| Quant | Min VRAM | Recommended | File size | Headroom |
|---|---|---|---|---|
| fp16BEST | 75.0 GB | 76.5 GB | 74.0 GB | +21.0 GB |
| Q8_0 | 40.3 GB | 41.8 GB | 39.3 GB | +55.7 GB |
| Q6_K | 31.5 GB | 33.0 GB | 30.5 GB | +64.5 GB |
| Q5_K_M | 27.3 GB | 28.8 GB | 26.3 GB | +68.7 GB |
| Q4_K_M | 23.4 GB | 24.9 GB | 22.4 GB | +72.6 GB |
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FAQ
Can the AMD Ryzen AI Max+ 395 (128GB) run DeepSeek V4 Flash?
Yes. The AMD Ryzen AI Max+ 395 (128GB)'s 96.0GB of unified memory is enough to run DeepSeek V4 Flash at fp16 quantization (75.0GB required).
What's the best quantization to use?
fp16 is the highest-precision quantization that fits in your 96.0GB. It uses about 75.0GB of memory and 76.5GB recommended for comfortable inference.
What if I need more headroom for context length?
KV cache memory grows with context length. The numbers above assume a baseline 2K-4K context. For long-context use (32K+), add another 2-6GB depending on the model architecture.