# Used-3090 24 GB

> Illustrative build. The reference rig. A used RTX 3090 gives 24 GB at 936 GB/s, enough for every 24–32B model at Q4.

Canonical: https://thelocalbench.com/builds/used-3090-24gb · Data as of 2026-10-12 · The Local Bench (thelocalbench.com), data as of 2026-10-12, CC BY 4.0

Flags: [verified] checked against primary source · [sourced] cited · [estimate] formula · [sample] placeholder

Total: $1,980 [sample] · Load 420 W · Idle 70 W · Electricity $13.86/month

## Parts

| Part | Item | USD | Flag |
|---|---|---|---|
| GPU | GeForce RTX 3090 24 GB (used | 1200 | sourced |
| CPU | Ryzen 5 7600 | 189 | sample |
| Motherboard | B650 ATX | 149 | sample |
| Memory | 64 GB DDR5-6000 (2×32) | 189 | sample |
| Storage | 2 TB NVMe Gen4 | 119 | sample |
| PSU | 850 W 80+ Gold | 109 | sample |
| Case | Mesh mid-tower | 25 | sample |

## Expected speed

- Gemma 3 27B IT: 31.8 tok/s [estimate]
- Qwen3 30B-A3B: 199.8 tok/s [estimate]
- Mistral Small 3.2 24B: 35.8 tok/s [estimate]