Is the Apple Mac Studio (M4 Ultra) good for local AI?

The Apple Mac Studio (M4 Ultra) is a solid choice for local AI. With 128GB of Unified VRAM, it is ideal for 8B–30B models at Q4_K_M quantization via Ollama.

What is the memory bandwidth of the Apple Mac Studio (M4 Ultra)?

The Apple Mac Studio (M4 Ultra) has 820 GB/s of memory bandwidth, which governs inference speed (tokens per second) when running local LLMs.

Pricing & Availability

Current Estimate

$3,999.99

IN STOCK

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Last Verified: 2026-05-04

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What Can It Run?

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Apple Mac Studio (M4 Ultra)

The ultimate local LLM server. With massive unified memory, it effortlessly hosts 70B+ parameter models at lightning speeds with unbeatable thermal efficiency.

Technical Datasheet

Specification	Value	AI Impact
VRAM Capacity	128 GB Unified	Determines maximum model size (parameters).
Memory Bandwidth	820 GB/s	Governs tokens per second (inference speed).
AI Performance	220 TOPs	Raw throughput for FP8/INT8 matrix operations.
Power Draw (TDP)	200 W	Thermal design & PSU overhead requirements.
VRAM Type	Unified	Memory generation affects bandwidth ceiling.

AI Model Compatibility

Llama 3.1 8B (Q4_K_M)

✓ PERFECT — Lightning Fast

Mistral NeMo 12B (Q4_K_M)

✓ COMPATIBLE — Smooth

DeepSeek R1 32B (Q4_K_M)

✓ COMPATIBLE

Llama 3.3 70B (Q4_K_M)

✓ NATIVE

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