Can I Run DeepSeek V3.2 671B on Apple M3 Ultra?

Name: LLM Configurator — GPU VRAM Checker
Author: LLM Configurator

Autor: Jakub Rusinowski · Ostatnia aktualizacja: 15 sierpnia 2026

Not at Q4_K_M — that needs 405.1 GB and the Apple M3 Ultra has 512 GB. Drop to Q3_K_M and it fits in 287.4 GB, with up to 128K of context.

The numbers

Model	DeepSeek V3.2 671B
Parameters	671B/37B active
Quantization	Q4_K_M
VRAM needed	405.1 GB
Apple M3 Ultra VRAM	512 GB
Verdict	Runs at a lower quant
Fits at	Q3_K_M (287.4 GB)
Max context	128K

What to do next

Quantize to Q3_K_M. That is the cheapest fix — it costs some quality but no money.

Ujawnienie afiliacyjne: Niektóre odnośniki na tej stronie to linki afiliacyjne — jeśli dokonasz zakupu za ich pośrednictwem, LLM Configurator może otrzymać prowizję bez dodatkowych kosztów dla Ciebie. Jako uczestnik programu Amazon Associates, LLM Configurator zarabia na kwalifikujących się zakupach.

Running DeepSeek V3.2 671B on this card:

Apple Mac Studio M3 Ultra

512 GB VRAM · 60 W board power

Ceny w 2026 są niestabilne — sprawdź aktualną ofertę.

Sprawdź cenę na Amazon

Won't fit — rent DeepSeek V3.2 671B instead

DeepSeek V3.2 671B needs ~405 GB but this GPU has 512 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.

RunPod $23.12/hr

Rent on RunPod →

Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.

Other DeepSeek V3.2 sizes on the Apple M3 Ultra

DeepSeek V3.2 685B — runs at a lower quant (413.6 GB)

DeepSeek V3.2 671B on nearby hardware

Apple M2 Ultra (192 GB) — does not fit

All DeepSeek V3.2 sizes on the Apple M3 Ultra | VRAM calculator for DeepSeek V3.2 671B | Apple M3 Ultra GPU page | Check your hardware