Can I Run Qwen 3.5 on NVIDIA L40S?

Written by Jakub Rusinowski · Last updated July 21, 2026

Yes, comfortably — you'll have ~26.9 GB of headroom running Qwen 3.5 35B-A3B at Q4_K_M (21.13125 GB, ~176 tok/s (est.)) with room for up to 64K context.

Buy This HardwareNVIDIA L40S 48GB — 48 GB VRAM · 350 W board powerDeploy in the Cloud NowNVIDIA L40S on RunPod — from $0.86/hr · rate checked 2026-08

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NVIDIA L40S 48GB
48 GB VRAM · 350 W board power
2026 prices are volatile — check the current listing.
Check price on Amazon

NVIDIA L40S Specs

VRAM48 GB
Memory Bandwidth864 GB/s

Qwen 3.5 35B-A3B on the NVIDIA L40S: VRAM by quantization

QuantVRAM neededFits 48 GB?Max context
F1671.7 GB✗ No
Q8_038.9 GB✓ Yes32K
Q6_K30.4 GB✓ Yes64K
Q5_K_M26.5 GB✓ Yes64K
Q4_K_M22.9 GB✓ Yes64K
Q3_K_M16.7 GB✓ Yes128K
Q2_K13.2 GB✓ Yes128K

VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 48 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.

Qwen 3.5 Sizes That Fit the NVIDIA L40S

Qwen 3.5 35B-A3BQ4_K_M · 21.13125 GB · ~176 tok/s (est.)
Qwen 3.5 27BQ4_K_M · 16.30125 GB · ~42 tok/s (est.)
Qwen 3.5 9BQ4_K_M · 5.43375 GB · ~102 tok/s (est.)
Qwen 3.5 4BQ4_K_M · 2.415 GB · ~172 tok/s (est.)
Qwen 3.5 2BQ4_K_M · 1.2075 GB · ~237 tok/s (est.)
Qwen 3.5 0.8BQ4_K_M · 0.48300000000000004 GB · ~314 tok/s (est.)
Buy vs. rent Qwen 3.5
Buy the GPU
~$7,499
NVIDIA L40S · MSRP
Rent by the hour
from $0.34/hr
RTX 4090 (24 GB) class

At 2 hrs/day, buying (~$7,499) beats renting at $0.34/hr after about 30.6 years.

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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.

FAQ

Can I run Qwen 3.5 on the NVIDIA L40S?

Yes, comfortably — you'll have ~26.9 GB of headroom running Qwen 3.5 35B-A3B at Q4_K_M (21.13125 GB, ~176 tok/s (est.)) with room for up to 64K context.

What's the best Qwen 3.5 size for the NVIDIA L40S?

Qwen 3.5 35B-A3B at Q4_K_M quantization (21.13125 GB), estimated ~176 tokens/sec, up to 64K context.

Qwen 3.5 on Other GPUs

Popular Models on the NVIDIA L40S

VRAM Tier

Troubleshooting

Buying Guide

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