Synoros CostaBox 24
24GB VRAM for 27B model inference
Developer, researcher, or small team wanting real 27B inference / $600-$900
Total VRAM
24GB
GPUs
1x Tesla P40 24GB
Chassis
Used HP Z230/Z240 Tower (iGPU for display)
Form Factor
Compact Desktop
PCIe
PCIe 3.0
Starting at
$749
Model Compatibility
7B
13B
24B-35B
70B
122B
400B+
Sweet spot: 13B-27B models (Gemma 2 27B, Qwen 2.5 27B, Mistral Small)
Stretch: 35B at q4 quantization
Notes
•P40 has no tensor cores. Slower FP16 than V100, but 24GB is the draw
•Compact chassis limits cooling. GPU power-limited for thermals
•Single slot. Not expandable
⚡Standard 120V outlet. Total system draw under 350W.
PCIe: Gen3 card on Gen3 host: Capacity-first
Upgrade path: CostaBox 32 or CostaBox Duo 48
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