Written by Jakub Rusinowski · Last updated April 24, 2026
No — DeepSeek V4 doesn't fit the Apple M3 Max's 64 GB; you're short by ~30.5 GB even at Q2_K. The cheapest card that runs it is the Apple M2 Ultra (192 GB).
| VRAM | 64 GB unified memory |
| Memory Bandwidth | 400 GB/s |
| Quant | VRAM needed | Fits 64 GB? | Max context |
|---|---|---|---|
| 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 | ✗ No | — |
| Q3_K_M | 122.1 GB | ✗ No | — |
| Q2_K | 94.5 GB | ✗ No | — |
VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 64 GB of unified memory. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Every DeepSeek V4 variant requires more VRAM than the Apple M3 Max provides (64 GB).
Apple M2 Ultra (192 GB VRAM).
DeepSeek V4 needs ~160 GB but this GPU has 64 GB. Rent a 2× A100 (160 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.
No — DeepSeek V4 doesn't fit the Apple M3 Max's 64 GB; you're short by ~30.5 GB even at Q2_K. The cheapest card that runs it is the Apple M2 Ultra (192 GB).
The Apple M2 Ultra (192 GB VRAM) is the cheapest upgrade that fits it.
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