Autor: Jakub Rusinowski · Ostatnia aktualizacja: 12 lipca 2026
Only with offload — DeepSeek V4.1 spills onto CPU/system RAM on the Apple M2 Ultra (192 GB), so expect a large speed penalty.
As an Amazon Associate we earn from qualifying purchases. Cloud GPU links are referral links — we may earn a commission at no extra cost to you.
| VRAM | 192 GB unified memory |
| Memory Bandwidth | 800 GB/s |
| Quant | VRAM needed | Fits 192 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 | ✓ Yes | 256K |
| Q3_K_M | 122.1 GB | ✓ Yes | 512K |
| Q2_K | 94.5 GB | ✓ Yes | 512K |
VRAM needed assumes a 4K-token context with an f16 KV cache; “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.
Every DeepSeek V4.1 variant requires more VRAM than the Apple M2 Ultra provides (192 GB).
Apple M3 Ultra (512 GB VRAM).
DeepSeek V4.1 needs ~171 GB but this GPU has 192 GB. Rent a 8× H100 (640 GB)-class GPU by the hour instead of buying one:
Affiliate links — we may earn a commission if you sign up, at no extra cost to you.
Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
Only with offload — DeepSeek V4.1 spills onto CPU/system RAM on the Apple M2 Ultra (192 GB), so expect a large speed penalty.
The Apple M3 Ultra (512 GB VRAM) is the cheapest upgrade that fits it.
| Size | VRAM | Verdict | Speed |
|---|---|---|---|
| DeepSeek V4.1 | 966.0 GB | Does not fit | — |
| DeepSeek V4.1 Flash | 171.5 GB | Runs at Q3_K_M | — |
← Can I Run It? | DeepSeek V4.1 Model Page | Apple M2 Ultra GPU Page | Check Your Hardware