Can I Run Llama 4.5 on NVIDIA L40S?

Autor: Jakub Rusinowski · Ostatnia aktualizacja: 21 lipca 2026

No — Llama 4.5 doesn't fit the NVIDIA L40S's 48 GB. The cheapest card that runs it is the NVIDIA A100 80GB (80 GB).

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NVIDIA L40S Specs

VRAM48 GB
Memory Bandwidth864 GB/s

Llama 4.5 Scout on the NVIDIA L40S: VRAM by quantization

QuantVRAM neededFits 48 GB?Max context
F16220.2 GB✗ No
Q8_0118 GB✗ No
Q6_K91.6 GB✗ No
Q5_K_M79.4 GB✗ No
Q4_K_M68 GB✗ No
Q3_K_M48.6 GB✗ No
Q2_K38 GB✓ Yes32K

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.

Why It Does Not Fit

Every Llama 4.5 variant requires more VRAM than the NVIDIA L40S provides (48 GB).

Nearest GPU That Fits

NVIDIA A100 80GB (80 GB VRAM).

NVIDIA A100 80GB PCIe
80 GB VRAM · 300 W board power
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Won't fit — rent Llama 4.5 instead

Llama 4.5 needs ~66 GB but this GPU has 48 GB. Rent a A100 (80 GB)-class GPU by the hour instead of buying one:

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

FAQ

Does the NVIDIA L40S have enough VRAM for Llama 4.5?

No — Llama 4.5 doesn't fit the NVIDIA L40S's 48 GB. The cheapest card that runs it is the NVIDIA A100 80GB (80 GB).

Which GPU can actually run Llama 4.5?

The NVIDIA A100 80GB (80 GB VRAM) is the cheapest upgrade that fits it.

Llama 4.5 on Other GPUs

Popular Models on the NVIDIA L40S

VRAM Tier

Troubleshooting

Buying Guide

← Can I Run It? | Llama 4.5 Model Page | NVIDIA L40S GPU Page | Check Your Hardware