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Can I run this LLM?

Can a NVIDIA RTX 5090 (32GB) run Nemotron 3.5 Lightning 30B-A3B (MoE)?

Nemotron · openmdw-1.1 · estimated for a 32.0 GB machine at 4K context.

Yes — it runs great.

Runs great

Best fit: Nemotron 3.5 Lightning 30B-A3B (MoE) at Q3_K_M · 19.8 GB weights · 243–365 tok/s on a NVIDIA RTX 5090 (32GB).

Arena Text Overall · style-controlled

UnratedAmbiguous match

Ambiguous Arena identity; unrated

Arena identity is ambiguous. The published NVFP4 configuration differs from generic local GGUF quantizations. No rating is assigned or used for ranking. Local quantization quality is unmeasured.

Snapshot published 2026-10-08 · snapshot imported 2026-10-11 UTC · validated last-good data · manual refresh

Arena leaderboard dataset · Arena / lmarena-ai, Arena Leaderboard Dataset (CC BY 4.0). Selected Text Overall style-controlled rows; field names adapted, ratings unchanged. · dataset CC BY 4.0 · revision e16f90232986

Total memory at 4K context
20.6 GB
Weights + KV cache + runtime overhead
Estimated generation
243–365 tok/s
Estimated first token
~0.3s

Every quantization on this machine

On small screens, each quant lists every metric below its name. On wider screens, scroll sideways for total memory, speed and fit. Keyboard: focus the table, then use the arrow keys. Quant names stay visible.

Nemotron 3.5 Lightning 30B-A3B (MoE) quantizations on NVIDIA RTX 5090 (32GB), estimated at 4K context. Weights and total memory are shown separately.
QuantWeightsTotal memorySpeedFit
Q2_K18.9 GB19.7 GB247–370 tok/sRuns great
Q3_K_M19.8 GB20.6 GB243–365 tok/sRuns great
Q4_K_M25.5 GB26.3 GB222–333 tok/sTight / slow
Q5_K_M27.0 GB27.8 GB217–326 tok/sTight / slow
Q6_K34.3 GB35.1 GB— not residentWon't fit
Q8_035.0 GB35.8 GB— not residentWon't fit
FP1665.9 GB66.7 GB— not residentWon't fit

Ran Nemotron 3.5 Lightning 30B-A3B (MoE) on a NVIDIA RTX 5090 (32GB)? Add your real numbers →