Written by Jakub Rusinowski · Last updated July 21, 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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| VRAM | 48 GB |
| Memory Bandwidth | 864 GB/s |
| Quant | VRAM needed | Fits 48 GB? | Max context |
|---|---|---|---|
| F16 | 220.2 GB | ✗ No | — |
| Q8_0 | 118 GB | ✗ No | — |
| Q6_K | 91.6 GB | ✗ No | — |
| Q5_K_M | 79.4 GB | ✗ No | — |
| Q4_K_M | 68 GB | ✗ No | — |
| Q3_K_M | 48.6 GB | ✗ No | — |
| Q2_K | 38 GB | ✓ Yes | 32K |
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.
Every Llama 4.5 variant requires more VRAM than the NVIDIA L40S provides (48 GB).
NVIDIA A100 80GB (80 GB VRAM).
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.
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).
The NVIDIA A100 80GB (80 GB VRAM) is the cheapest upgrade that fits it.
← Can I Run It? | Llama 4.5 Model Page | NVIDIA L40S GPU Page | Check Your Hardware