Can I Run Qwen 3 30B-A3B (MoE) on NVIDIA GeForce RTX 5080?

Written by Jakub Rusinowski · Last updated August 15, 2026

Not at Q4_K_M — that needs 18.4 GB and the NVIDIA GeForce RTX 5080 has 16 GB. Drop to Q3_K_M and it fits in 14.6 GB, with up to 8K of context.

The numbers

ModelQwen 3 30B-A3B (MoE)
Parameters30B (3B active)
QuantizationQ4_K_M
VRAM needed18.4 GB
NVIDIA GeForce RTX 5080 VRAM16 GB
VerdictRuns at a lower quant
Fits atQ3_K_M (14.6 GB)
Max context8K

What to do next

Quantize to Q3_K_M. That is the cheapest fix — it costs some quality but no money.

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Running Qwen 3 30B-A3B (MoE) on this card:

NVIDIA GeForce RTX 5080 16GB
16 GB VRAM · 360 W board power
2026 prices are volatile — check the current listing.
Check price on Amazon

Won't fit — rent Qwen 3 30B-A3B (MoE) instead

Qwen 3 30B-A3B (MoE) needs ~18 GB but this GPU has 16 GB. Rent a RTX 4090 (24 GB)-class GPU by the hour instead of buying one:

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RunPod $0.34/hr
Rent on RunPod →
Vast.ai $0.35/hr · typical low · varies
Rent on Vast.ai →

Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.

Other Qwen 3 sizes on the NVIDIA GeForce RTX 5080

Qwen 3 30B-A3B (MoE) on nearby hardware

All Qwen 3 sizes on the NVIDIA GeForce RTX 5080 | VRAM calculator for Qwen 3 30B-A3B (MoE) | NVIDIA GeForce RTX 5080 GPU page | Check your hardware