MSI Cubi NUC AI+ (Core Ultra 7 258V)
MSI · Intel Lunar Lake · Released 2025Verified 2026-07-21
32 GB
LPDDR5X 8533
47
NPU TOPS
136.5
GB/s Bandwidth
30 W
TDP
32 GBMemory (LPDDR5X 8533)
136.5 GB/sMemory Bandwidth
47NPU TOPS
8GPU Compute Units
8CPU Cores
30 WTDP
$899
MSRP · Verified 2026-07-21
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AI Workload Fit
Local LLM Inference
Limited — 14B class models
⚠ Limited
Image Generation
SDXL, Flux
✓ Capable
NPU/AI Acceleration
Strong NPU — 47 TOPS
✓ Strong
Power Efficiency
Excellent — 30W TDP
✓ Efficient
Model Fit Analysis
Usable AI memory: 14 GB (OS reserve: 4GB, GPU allocation: 50%) Conservative
Maximum model size at Q4: 14B class models (21B params, ~42GB at FP16)
Method: intel_igpu_bios_limited. Estimates account for OS reserve, GPU memory allocation fraction, and memory architecture. Actual results vary by workload, BIOS settings, and model architecture.
Llama 3.1 8B
~5.52GB Q4
✓ Fits
Llama 3.1 70B
~37.14GB Q4
✗ Too large
Llama 3.2 1B
~2GB Q4
✓ Fits
Llama 3.2 3B
~3.01GB Q4
✓ Fits
Qwen 2.5 7B
~5.01GB Q4
✓ Fits
Qwen 2.5 14B
~8.53GB Q4
✓ Fits
Qwen 2.5 32B
~18.06GB Q4
✗ Too large
Qwen 2.5 72B
~38.14GB Q4
✗ Too large
Mistral 7B
~5.01GB Q4
✓ Fits
Mixtral 8x7B
~25.44GB Q4
✗ Too large
DeepSeek R1 7B
~5.01GB Q4
✓ Fits
DeepSeek R1 32B
~18.06GB Q4
✗ Too large
DeepSeek R1 70B
~37.14GB Q4
✗ Too large
Phi-3 Medium 14B
~8.53GB Q4
✓ Fits
Gemma 2 9B
~6.02GB Q4
✓ Fits
Gemma 2 27B
~15.05GB Q4
✗ Too large
Stable Diffusion XL
~4.81GB Q4
✓ Fits
Flux.1 Dev
~7.52GB Q4
✓ Fits
Flux.1 Schnell
~7.52GB Q4
✓ Fits
Full Specifications
| Specification | Value |
|---|---|
| Memory Gb | 32 Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Memory Type | LPDDR5X 8533 Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Memory Bus Width | 128-bit Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Memory Bandwidth Gbps | 136.5 Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Npu Tops | 47 Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Gpu Compute Units | 8 Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Gpu Name | Intel Arc Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Cpu Cores | 8 Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Tdp Watts | 30 Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Platform | Intel Lunar Lake Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Storage Type | NVMe Gen4 SSD Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Ai Framework | OpenVINO, DirectML, IPEX Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Memory Upgradeable | No (soldered LPDDR5X) Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Oculink Pcie | No Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Ethernet | 2.5GbE Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
| Os Support | Windows 11, Linux Source: MSI Cubi NUC AI+ Product Page · Verified 2026-07-21 |
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Specifications sourced from manufacturer datasheets. MSRP verified 2026-07-21. Model-fit uses conservative estimates accounting for OS reserve and GPU allocation — actual performance varies. Methodology