Can dual RTX 3090s run Qwen3-30B-A3B Q8 locally?
Syosse-CH · reddit · 2026-07-20
A user is planning a local AI server for business automation with n8n + Ollama + Qwen3-30B-A3B (Q8) + PostgreSQL/pgvector, and wants hardware feedback.
They already own 2× RTX 3090 (48 GB total VRAM) and are considering a Ryzen 9 7950X, 64 GB DDR5, and an ASUS ROG Strix B650E-E motherboard. Their question is whether this setup can comfortably handle the estimated 33 GB VRAM requirement for Qwen3-30B-A3B Q8 and whether the motherboard is suitable for dual 3090s with PCIe x8/x8.
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