Can I Run DeepSeek V4 Flash on a AMD Ryzen AI Max+ 395 (64GB)?
Runs at Q8_0 — near-lossless quality.
4 quantizations fit your 48.0GB
| Quant | Min VRAM | Recommended | File size | Headroom |
|---|---|---|---|---|
| Q8_0BEST | 40.3 GB | 41.8 GB | 39.3 GB | +7.7 GB |
| Q6_K | 31.5 GB | 33.0 GB | 30.5 GB | +16.5 GB |
| Q5_K_M | 27.3 GB | 28.8 GB | 26.3 GB | +20.7 GB |
| Q4_K_M | 23.4 GB | 24.9 GB | 22.4 GB | +24.6 GB |
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All quant variants, benchmark scores, and use-case tags.
Top-ranked open-source models that fit in 48.0GB.
FAQ
Can the AMD Ryzen AI Max+ 395 (64GB) run DeepSeek V4 Flash?
Yes. The AMD Ryzen AI Max+ 395 (64GB)'s 48.0GB of unified memory is enough to run DeepSeek V4 Flash at Q8_0 quantization (40.3GB required).
What's the best quantization to use?
Q8_0 is the highest-precision quantization that fits in your 48.0GB. It uses about 40.3GB of memory and 41.8GB 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.