GPUs for on-prem AI / NVIDIA

NVIDIA H100 PCIe 80GB for LLMs

Hopper with FP8 Transformer Engine in a standard PCIe slot; lower bandwidth and clocks than SXM. NVIDIA lists 1,513/3,026 TFLOPS with sparsity, halved here. Price is an indicative 2026 street range for one unit, not a quote.

Memory
80 GB HBM2e
Bandwidth
2,000 GB/s
BF16 dense
756 TFLOPS
FP8 dense
1,513 TFLOPS
Power
350 W

PCIe | NVLink bridge 600 GB/s (2 GPUs) | CUDA | indicative price $20K-28K

Which models fit, and how many cards

Planning estimates. 4-bit column: one user at 8K context. FP8 column: 10 users at once at 16K context.

ModelSize4-bit: cards4-bit: tok/sFP8, 10 users: cardsFP8: tok/s per user
Qwen3.5-122B-A10B125B / 10B11292108
Ling-3.0-flash124B / 5.1B12132175
NVIDIA Nemotron 3 Super 120B-A12B120B / 12B1111292
Mistral Small 4 119B A6B (2603)119B / 6.5B11792146
gpt-oss-120b117B / 5.1B12102158
Command A (03-2025)111B119217
Llama 4 Scout 17B-16E Instruct109B / 17B180256
Qwen3-Coder-Next79.7B / 3B12922202
Llama 3.3 70B Instruct70B129224
Qwen3.6-35B-A3B36B / 3B12931173
Qwen3-32B32.8B158126
Olmo 3.1 32B Think32B159130
GLM-4.7-Flash31.2B / 3B12861136
Gemma 4 31B IT30.7B161128
Qwen3-30B-A3B-Instruct-250730.5B / 3.3B12641102
Granite 4.2 30B30B163128
NVIDIA Nemotron 3.5 Lightning 30B-A3B30B / 3B12961195
Qwen3.8-27B27.8B169137
Gemma 3 27B IT27B169135
Gemma 4 26B A4B IT25.2B / 3.8B12451114
Mistral Small 3.2 24B Instruct 250624B177137
Magistral Small 1.2 (2509)24B177137
Devstral Small 2 24B Instruct 251224B177137
gpt-oss-20b21B / 3.6B12631150
Phi-414B1119149
Gemma 4 12B IT11.95B1136166
Qwen3.5-9B9.7B1164193
Qwen3-VL-8B-Instruct8.8B1170171
Granite 4.2 8B8B1181172
Llama 3.1 8B Instruct8B1183178
Command A+ (05-2026)218B / 25B291483
Step-3.7-Flash198B / 11B21594130
Qwen3.8-Flash-Next180B / 6B22194175
Mistral Medium 3.5 128B128B227425
MiniMax-M3428B / 23B41228100
Qwen3.5-397B-A17B403B / 17B41428121
Llama 4 Maverick 17B-128E Instruct400B / 17B41508114
Trinity Large Thinking398B / 13B41558118
GLM-5.3-Flash320B / 18B41518135
MiMo-V2.6-Flash-RL309B / 15B41628139
Hy3295B / 21B4114881
Kimi-K2.61000B / 32B812116 (multi-node)76
Kimi-K2.7-Code1000B / 32B812116 (multi-node)76
Muse Spark Open 816B-A42B816B / 42B810716 (multi-node)69
DeepSeek-V4.1-Flash-1017748B / 16B818316 (multi-node)118
GLM-5.3744B / 40B89916 (multi-node)61
Mistral Large 3 675B Instruct 2512675B / 41B810916 (multi-node)71
DeepSeek-V3.2671B / 37B811416 (multi-node)73
DeepSeek-V4-Pro-08131600B / 49B16 (multi-node)8124 (multi-node)69
MiMo-V2.6-Pro-RL1020B / 42B16 (multi-node)7616 (multi-node)65
Kimi-K32800B / 104B24 (multi-node)5140 (multi-node)46
Qwen3.8-2.4T-A95B2446B / 95B24 (multi-node)5240 (multi-node)47

Design a deployment on NVIDIA H100 PCIe 80GB

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Questions

What is the largest model that fits on one NVIDIA H100 PCIe 80GB?

Of the models we track, Qwen3.5-122B-A10B (125B total, 10B active) fits on a single 80 GB card in 4-bit with one user at 8K context. More users or longer context need memory for the KV cache, so leave headroom.

How fast is NVIDIA H100 PCIe 80GB for LLM inference?

Generation speed is mostly set by memory bandwidth: 2000 GB/s here. Each token reads the active weights once, so a model with 8 GB of active weights tops out near 250 tokens per second per stream before efficiency losses; batching many users raises total throughput.

Is NVIDIA H100 PCIe 80GB a good choice for on-prem AI?

Hopper with FP8 Transformer Engine in a standard PCIe slot; lower bandwidth and clocks than SXM. NVIDIA lists 1,513/3,026 TFLOPS with sparsity, halved here. Price is an indicative 2026 street range for one unit, not a quote.