Can I Run DeepSeek V4 on Apple M2 Ultra?
作者： Jakub Rusinowski · 最后更新： 2026年7月12日
Only with offload — DeepSeek V4 spills onto CPU/system RAM on the Apple M2 Ultra (192 GB), so expect a large speed penalty.
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Apple M2 Ultra Specs
| VRAM | 192 GB unified memory |
| Memory Bandwidth | 800 GB/s |
DeepSeek V4-Flash on the Apple M2 Ultra: VRAM by quantization
| Quant | VRAM needed | Fits 192 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 569.1 GB | ✗ No | — | — |
| Q8_0 | 302.8 GB | ✗ No | — | — |
| Q6_K | 234 GB | ✗ No | — | — |
| Q5_K_M | 202.4 GB | ✗ No | — | — |
| Q4_K_M | 172.6 GB | ✓ Yes | 256K | — |
| Q3_K_M | 122.1 GB | ✓ Yes | 512K | — |
| Q2_K | 94.5 GB | ✓ Yes | 512K | — |
Assumes a 4K-token context with an f16 KV cache, on an estimated architecture — this model publishes no config we can read. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 192 GB of unified memory. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Context costs VRAM too. At Q4 (experimental) on the Apple M2 Ultra: 8K 172.8 GB · 32K 174.6 GB · 128K 181.5 GB. Every window this model publishes still fits 192 GB.
No compatible GPU? DeepSeek V4-Flash on 128 GB of system RAM, CPU only: runs, but it is tight.
Why It Does Not Fit
Every DeepSeek V4 variant requires more VRAM than the Apple M2 Ultra provides (192 GB).
Nearest GPU That Fits
Apple M5 Ultra (512 GB VRAM).
DeepSeek V4 needs ~171 GB but this GPU has 192 GB. Rent a 8× H100 (640 GB)-class GPU by the hour instead of buying one:
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
FAQ
Will DeepSeek V4 run on the Apple M2 Ultra?
Only with offload — DeepSeek V4 spills onto CPU/system RAM on the Apple M2 Ultra (192 GB), so expect a large speed penalty.
What GPU should I get instead to run DeepSeek V4?
The Apple M5 Ultra (512 GB VRAM) is the cheapest upgrade that fits it.
Every DeepSeek V4 size on the Apple M2 Ultra
| Size | VRAM | Verdict | Speed |
|---|---|---|---|
| DeepSeek V4-Pro | 526 GB | Does not fit | — |
| DeepSeek V4-Flash | 171.5 GB | Runs at Q3_K_M | — |
DeepSeek V4 on Other GPUs
- DeepSeek V4 on Apple M4 Max
- DeepSeek V4 on Apple M1 Ultra
- DeepSeek V4 on Apple M5 Max
- DeepSeek V4 on NVIDIA DGX Spark
Popular Models on the Apple M2 Ultra
VRAM Tier
Troubleshooting
- Ollama: "model requires more system memory than is available"
- Out of memory at long context (the KV cache, not the weights)
Buying Guide
← Can I Run It? | DeepSeek V4 Model Page | Apple M2 Ultra GPU Page | Check Your Hardware