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Voltarum Local LLM Hardware Guide

NVIDIA · Edge AI · 2023

NVIDIA Jetson AGX Orin 64GB Developer Kit

NVIDIA Jetson AGX Orin 64GB Developer Kit

Photo: Auledas · CC BY 4.0

Older hardware

64 GB at 60 W with CUDA. Now outclassed for LLMs by Strix Halo and the Mac mini.

Memory
64 GB
Bandwidth
205 GB/s
Power
60 W
Largest popular model at 4-bit
Llama 3.3 70B

from $1,999 (launch price)

Researched from manufacturer data and public sources; not tested by us.· Last reviewed Oct 11, 2026

What it can run

Estimate

Popular models at Q4_K_M with a 32K-token context. Memory needed from real model files; speed is the theoretical ceiling.

Change model size or context

Model weightsContext cache (KV)RuntimeUsable limit (colour = verdict)

ModelVerdictMemorySpeed ceiling
Qwen3 1.7BRuns
6.4 GB / 58 GB · with 64 GB
≤ 185 tok/s
Qwen3.5 9BRuns
8.3 GB / 58 GB · with 64 GB
≤ 36 tok/s
Gemma 4 12BRuns
9.5 GB / 58 GB · with 64 GB
≤ 29 tok/s
gpt-oss-20bRuns
14 GB / 58 GB · with 64 GB
≤ 102 tok/s
Qwen3.6 27BRuns
20 GB / 58 GB · with 64 GB
≤ 12 tok/s
Qwen3.6 35B A3BRuns
24 GB / 58 GB · with 64 GB
≤ 111 tok/s
Llama 3.3 70BRuns, tight
55 GB / 58 GB · with 64 GB
≤ 5 tok/s
gpt-oss-120bNot enough memory
65 GB / 58 GB · with 64 GB
—
Qwen3.5 122B A10BNot enough memory
79 GB / 58 GB · with 64 GB
—
Qwen3.5 397B A17BNot enough memory
247 GB / 58 GB · with 64 GB
—

Theoretical maximum for generating text: memory bandwidth divided by the bytes read per token. Real runs usually reach about half to three quarters of it.

Where to buy

Prices are editorial references (launch price and a typical street price on the date shown), not live prices. In 2026 the memory shortage has pushed many prices well above launch.

Prices are shown only if updated in the last 24 hours and may change; the retailer’s price at checkout applies. We may earn a commission from these links at no cost to you. Affiliate disclosure

Overview

Editorial opinion

Best for: Edge and robotics projects that also need a mid-size language model.

Editorial opinionWould we buy it today?

Only for edge or robotics work; for a home LLM server look elsewhere.

Pros and cons

Editorial opinion

Pros

  • 64 GB with CUDA at 60 W
  • Industrial-grade platform

Cons

  • 205 GB/s
  • Expensive for what it does in 2026

Specifications

Factual data
Manufacturer
NVIDIA
Chip
Orin
Architecture
Ampere GPU + Arm Cortex-A78AE
Type
Edge board / accelerator
Form factor
Developer kit / board
Released
2023
Availability
On sale
Memory options
64 GB
Memory type
LPDDR5 unified
Memory bus
256-bit
Memory bandwidth
205 GB/s
Usable for models (default)
58 GB / 64 GB
INT8 AI performance
275 TOPS
Board / max power
60 W
Compute stack
CUDA (JetPack)
Models
Any model that fits
Several units for one model
No

Source: Manufacturer specifications

Software support

Editorial opinion

How well the popular local-AI tools run on it today (editorial assessment).

  • llama.cppGood
  • OllamaGood
  • LM StudioNot supported
  • vLLMWorks with effort
  • MLXNot supported

Measured speeds

Factual data

Measured results with their source. We never invent speeds.

No measured results yet. The table above shows the theoretical ceiling instead.

Alternatives

Apple silicon

Apple Mac mini (M5 Pro)

Memory
64 GB
Bandwidth
307 GB/s

Largest popular model at 4-bit: Qwen3.6 35B A3B

Up to 64 GB at 307 GB/s in a quiet mini PC: 27–35B models at a comfortable pace.

from $1,699 (launch price)Recommended

Apple silicon

Apple Mac Studio (M5 Max)

Memory
128 GB
Bandwidth
614 GB/s

Largest popular model at 4-bit: Qwen3.5 122B A10B

128 GB at 614 GB/s: gpt-oss-120b and 122B MoE models at a good pace, almost silently.

from $2,499 (launch price)Highly recommended

NVIDIA GPUs

NVIDIA RTX PRO 6000 Blackwell

Memory
96 GB
Bandwidth
1.79 TB/s

Largest popular model at 4-bit: Qwen3.5 122B A10B

96 GB on one card at RTX 5090 speed: gpt-oss-120b and 122B MoE models entirely in GPU memory.

from $8,565 (typical price)For advanced users