Synoros CostaBox 16
Cheapest local LLM box that actually works
First-time local LLM user, student, or hobbyist / $400-$700

Total VRAM
16GB
GPUs
1x Tesla P100 16GB
Chassis
Used HP Z230/Z240 Tower (iGPU for display)
Form Factor
Compact Desktop
PCIe
PCIe 3.0
Starting at
$499
Model Compatibility
7B
13B
24B-35B
70B
122B
400B+
Sweet spot: 7B-13B models at full quality
Stretch: 24B-27B at q4 quantization
Notes
•Compact chassis limits cooling. GPU is power-limited for thermals
•Single PCIe slot. Not expandable without changing chassis
•16GB VRAM ceiling means larger models require aggressive quantization
⚡Standard 120V outlet. Total system draw under 300W.
PCIe: Gen3 card on Gen3 host. No mismatch
Upgrade path: CostaBox 24 or CostaBox 32
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