NVIDIA

H100 NVL 188GB

Data CenterHopperNVLINKCUDA
188GB
VRAM
7.8kGB/s
Bandwidth
2kTFLOPS
FP16 Compute
4kTOPS
INT8 Inference
$60,000 MSRP
VRAM188 GBBandwidth7.8k GB/sCompute2k TFInference4k TOPSValue3.3 TF/$k
H100 NVL 188GBCategory AvgAMD Instinct MI325X 256GB

Operating mode

Choose the operating mode for this hardware

Use this to bias workload recommendations toward responsiveness, background autonomy, lighter serving, or multi-GPU scale-out.

Current mode

Balanced

Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.

About this GPU for AI

The NVIDIA H100 NVL is a unique dual-H100 card that fuses two H100 GPUs on a single PCIe Gen5 board, delivering 188 GB of HBM3 and 7.8 TB/s of combined bandwidth. The two GPUs are connected by three NVLink 4 bridges at 600 GB/s bidirectional, enabling them to act as a unified pool for large model inference. It is the highest-VRAM Hopper option available in a PCIe form factor, capable of running 70B models at FP16 with substantial KV cache and approaching 405B models at Q4. Benchmarks show up to 12x improvement over A100 systems for GPT-175B inference.

Beyond LLMs

AI Capability Matrix

What AI tasks this GPU can handle — from text generation to image and video creation.

CapabilityStatusRepresentative Model
LLM Chat (7B)Runs nativelyLlama 3.1 8B Q4
LLM Coding (30B)Runs nativelyQwen 3 30B Q4
LLM Large (70B)Runs nativelyLlama 3.1 70B Q4
Image Gen (SDXL)Runs nativelySDXL 1.0 FP16
Image Gen (Flux)Runs nativelyFlux.1 Dev FP16
Image Gen (SD 3.5)Runs nativelySD 3.5 Large FP16
Video Short (25f)Runs nativelyLTX Video 2B
Video Long (100f)Runs nativelyWan Video 14B
hbm-memorymassive-vramhigh-bandwidthmulti-gpu-capabledatacenter-grade

仕様

コンピュート
FP161979 TFLOPS
INT83958 TOPS
アーキテクチャHopper
メモリ
VRAM188 GB
帯域幅7800 GB/s
一般
ファミリーData Center
セグメントData Center
インターコネクトNVLINK
コンピュートプラットフォームCUDA
MSRP$60,000

主な特徴

188 GB HBM3 total (94 GB per GPU × 2) — 7.8 TB/s combined bandwidth3,958 TFLOPS FP8 combined (1,979 per GPU)Dual H100 GPU on a single PCIe Gen5 board3× NVLink 4 bridges at 600 GB/s bidirectional GPU-GPU bandwidthMIG support: up to 7 instances per GPU (14 total)700–800W total TDP (350–400W per GPU)

AIワークロード向け

強み
  • 188 GB unified HBM3 pool eliminates GPU memory wall for 70B FP16 inference and enables 405B at Q4
  • 7.8 TB/s combined bandwidth — near the top of the HBM3 class for decode throughput
  • PCIe form factor with NVLink bridges fits in standard servers without SXM baseboard
  • Up to 12x faster than A100 for GPT-175B inference; 5x faster for Llama 70B
注意点
  • Very high cost — dual-GPU card priced at premium above two individual H100 PCIe cards
  • 600 GB/s NVLink bridge bandwidth between the two GPUs is lower than SXM's 900 GB/s intra-node fabric
  • Niche form factor — few server designs accommodate the full thermal and power envelope
  • Blackwell B100/B200 now available with comparable or higher VRAM at better compute-per-watt

Architecture

Hopper

Hopper is NVIDIA's datacenter-focused architecture succeeding Ampere. Built on TSMC 4N, it introduces the Transformer Engine with automatic FP8/FP16 mixed-precision training, HBM3/HBM3e memory, and NVLink 4.0 for multi-GPU scaling. The H100 flagship delivers up to 3x the AI training performance of A100.

AI Relevance

The Transformer Engine automatically manages FP8 precision for optimal training speed without accuracy loss. With up to 141 GB HBM3e (H200), Hopper GPUs can hold the largest open-weight models entirely in GPU memory, making them the workhorse of AI datacenters.

Process: TSMC 4NPlatform: CUDATensor Cores: Gen 4Precisions: FP64, FP32, TF32, FP16, BF16, FP8, INT8

購入アドバイス

ローカルAIにH100 NVL 188GBを買うべき?

ローカルAIに最適な選択

上位50モデル中40モデルを快適に実行 — ローカル推論の万能選手です。

188.0 GB

VRAM

$60,000

希望小売価格

$319/GB

GBあたりのコスト

このGPUに最適なモデル

What will limit you first

This setup is broadly balanced for this model.

No major red flags

This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.

Best upgrade itinerary

Unlocks 4 additional models that do not fit on the current setup.

もっと余裕が欲しいですか? AMD Instinct MI325X 256GB (256.0 GB VRAM) が次のステップアップです。

Recommendations by Workload

Chat

S

Mistral Small 4 119B

This model is a direct match for chat. It belongs to a current frontier family for local AI. It fits natively with comfortable headroom. Known channels: huggingface, lm-studio.

Decode 275.4 tok/s · 256K ctx · llama.cppEST.
95.0 GB / 188.0 GB VRAM

Coding

S

Devstral 2 123B Instruct

This model is a direct match for coding. It belongs to a current frontier family for local AI. It fits natively with comfortable headroom. Known channels: huggingface, lm-studio.

Decode 91.6 tok/s · 256K ctx · llama.cppEST.
100.1 GB / 188.0 GB VRAM

Agentic Coding

S

Devstral 2 123B Instruct

This model is still usable for agentic-coding, but it is not the most specialized pick. It belongs to a current frontier family for local AI. It fits natively with comfortable headroom. Known channels: huggingface, lm-studio.

Decode 91.6 tok/s · 256K ctx · llama.cppEST.
105.5 GB / 188.0 GB VRAM

Reasoning

S

Devstral 2 123B Instruct

This model is a direct match for reasoning. It belongs to a current frontier family for local AI. It fits natively with comfortable headroom. Known channels: huggingface, lm-studio.

Decode 91.6 tok/s · 256K ctx · llama.cppEST.
100.1 GB / 188.0 GB VRAM

RAG

S

Qwen 3.5 122B A10B

This model is a direct match for rag. It belongs to a current frontier family for local AI. It fits natively with comfortable headroom. Known channels: huggingface, lm-studio.

Decode 254.0 tok/s · 131K ctx · llama.cppEST.
99.0 GB / 188.0 GB VRAM

Full Model Compatibility

MistralDevstral 2 123B Instruct
S96
123B100.1 GB92 tok/s256K ctx
dense
DeepSeekDeepSeek V4 Flash
S96
284B179.0 GB136 tok/s126K ctx
moe
AlibabaQwen 3.5 122B A10B
S95
122B96.6 GB254 tok/s131K ctx
moe
MistralMistral Small 4 119B
S94
119B97.7 GB275 tok/s256K ctx
moe
OpenAIGPT-OSS 120B
S93
117B96.0 GB96 tok/s131K ctx
dense
Mistral AIPixtral Large 124B
S93
124B100.7 GB91 tok/s131K ctx
dense
CohereCommand A 111B
S93
111B91.3 GB102 tok/s262K ctx
dense
AlibabaQwen 3 235B A22B
S92
235B165.9 GB129 tok/s131K ctx
moe
MiniMax M2.7
S90
230B163.8 GB146 tok/s118K ctx
moe
AlibabaQwen 2.5 VL 72B
S90
72B68.5 GB156 tok/s33K ctx
dense
AlibabaQwen3-Coder-Next
S90
80B70.0 GB427 tok/s256K ctx
moe
AlibabaQwen3-Coder 30B A3B Instruct
S90
30.5B39.8 GB955 tok/s256K ctx
moe
MistralLeanstral 119B A6B
S89
119B101.1 GB253 tok/s174K ctx
moe
AlibabaQwen 3.6 35B A3B
S89
35B45.2 GB803 tok/s262K ctx
+1moe
AlibabaQwen 3.5 27B
S89
27B39.3 GB378 tok/s131K ctx
dense
AlibabaQwen3-VL 30B A3B Instruct
S89
30B39.5 GB988 tok/s256K ctx
moe
AlibabaQwen 3.6 27B
S89
27B37.1 GB258 tok/s262K ctx
+1dense
AlibabaQwen 3.5 35B A3B
S88
35B42.5 GB873 tok/s131K ctx
moe
AlibabaQwen 3 32B
S88
32B43.1 GB352 tok/s131K ctx
dense
MistralMagistral Small 2507
S88
24B36.8 GB336 tok/s131K ctx
dense
MistralDevstral Small 2 24B Instruct
S87
24B36.8 GB336 tok/s256K ctx
dense
AlibabaQwen 3 30B A3B
S87
30.5B39.8 GB955 tok/s131K ctx
moe
AlibabaQwen 3.5 9B
S87
9B27.4 GB126 tok/s131K ctx
dense
NVIDIANemotron 3 Nano 30B
S87
30B40.4 GB371 tok/s131K ctx
dense
AlibabaQwen 3 14B
S86
14B30.7 GB196 tok/s131K ctx
dense
MistralDevstral Small 1.1
S86
24B36.8 GB336 tok/s131K ctx
dense
MicrosoftPhi-4-reasoning-plus 14B
S85
14.7B31.7 GB206 tok/s33K ctx
dense
AlibabaQwen 3 8B
A85
8B26.8 GB112 tok/s131K ctx
dense
GoogleGemma 4 31B
A85
30.7B53.1 GB220 tok/s163K ctx
dense
OpenAIGPT-OSS 20B
A84
21B35.0 GB1213 tok/s128K ctx
moe
NVIDIANemotron Cascade 2 30B A3B
A84
30B40.9 GB977 tok/s262K ctx
moe
AlibabaQwen 3.5 4B
A83
4B24.3 GB56 tok/s131K ctx
dense
LG AIEXAONE 4.0 32B
A82
32B43.1 GB350 tok/s131K ctx
dense
GoogleGemma 4 26B A4B
A81
25.2B38.7 GB1026 tok/s256K ctx
moe
MistralMinistral 3 14B
A80
14B30.7 GB196 tok/s262K ctx
multimodal
NVIDIANemotron Nano 8B
A80
8B26.5 GB112 tok/s131K ctx
dense
MicrosoftPhi-4 Mini Reasoning 4B
A80
3.8B23.5 GB53 tok/s131K ctx
dense
Jina AIJina Embeddings v3
A74
0.57B22.8 GB8 tok/s8K ctx
dense
DeepSeekDeepSeek Coder V2 236B
A73
236B222.3 GB77 tok/s7K ctx
moe
BAAIBGE M3
A73
0.57B22.0 GB8 tok/s8K ctx
dense
AlibabaQwen 3.5 397B A17B
F0
397B264.7 GB41 tok/s4K ctx
moe
Moonshot AIKimi K2.5
F0
1000B637.1 GB5 tok/s4K ctx
moe
Moonshot AIKimi K2.6
F0
1000B637.1 GB5 tok/s4K ctx
+1moe
DeepSeekDeepSeek V4 Pro
F0
1600B883.6 GB4 tok/s4K ctx
moe
Z.aiGLM-5.1
F0
754B498.7 GB7 tok/s4K ctx
moe
Z.aiGLM-5
F0
744B492.6 GB7 tok/s4K ctx
moe
DeepSeekDeepSeek V3.2
F0
671B429.5 GB11 tok/s4K ctx
moe
AlibabaQwen3-Coder 480B A35B Instruct
F0
480B315.4 GB24 tok/s4K ctx
moe
DeepSeekDeepSeek R1 671B
F0
671B488.6 GB8 tok/s4K ctx
moe
DeepSeekDeepSeek V3.1 671B
F0
671B488.6 GB8 tok/s4K ctx
moe

もう少しで届く

アップグレードで動くモデル

もう少しメモリがあれば動く高品質モデル

754Bティア92約489.2 GB必要

Image & Video Generation

Diffusion Model Compatibility

52 of 52 models can generate images or video on your H100 NVL 188GB

ModelMax ResolutionGen TimeGrade
SD TurboImage512×5120msS
Stable Diffusion 1.5Image512×7680msS
Realistic Vision v5.1Image512×7680msS
DreamShaper 8Image512×7680msS
LCM DreamShaper v7Image512×7680msS
PixArt-SigmaImage1024×1024200msS
FramePack I2VVideo1280×720300ms/frameS
SDXL TurboImage512×5120msS
SDXL LightningImage1024×1024100msS
Stable Diffusion XL 1.0Image1024×1024200msS
Playground v2.5Image1024×1024200msS
RealVisXL v5.0Image1024×1024200msS
DreamShaper XLImage1024×1024200msS
Juggernaut XL v9Image1024×1024200msS
Animagine XL 3.1Image1024×1024200msS
Pony Diffusion V6 XLImage1024×1024200msS
Animagine XL 4.0Image1024×1024200msS
Illustrious XLImage1024×1024200msS
Wan Video 2.1 1.3BVideo480×832100ms/frameS
Stable Diffusion 3.5 MediumImage1024×1024300msS
Flux.2 Klein 4BImage1024×10240msS
LTX Video 2BVideo1280×720100ms/frameS
KolorsImage1024×1024300msS
Stable CascadeImage1024×1024400msS
AuraFlow v0.3Image1536×1536700msS
Stable Diffusion 3.5 LargeImage1024×1024900msS
Stable Diffusion 3.5 Large TurboImage1024×1024200msS
CogVideoX 2BVideo720×480100ms/frameS
HunyuanVideoVideo720×1280300ms/frameS
ChromaImage1024×1024200msS
Z-Image TurboImage1536×1536200msS
Flux.1 DevImage1024×1024700msS
Flux.1 SchnellImage1024×1024100msS
LTX Video 13BVideo1280×720300ms/frameS
Flux.1 Kontext DevImage1024×1024800msS
AnimateDiff v1.5.3Video512×768100ms/frameS
Cosmos Diffusion 7BVideo1024×576200ms/frameS
CogVideoX 5BVideo720×480200ms/frameS
Wan2.2 TI2V 5BVideo832×480200ms/frameS
Flux.2 Klein 9BImage1024×1024100msS
Flux.1 Fill DevImage1024×1024700msS
Mochi 1 PreviewVideo848×480300ms/frameS
HunyuanVideo 1.5Video720×1280200ms/frameS
Helios 14BVideo1280×720300ms/frameS
SkyReels V2 14BVideo1280×720300ms/frameS
Wan Video 2.1 14BVideo720×1280300ms/frameS
Wan Video 2.2 14BVideo720×1280300ms/frameS
Qwen ImageImage1024×1024300msS
Qwen Image EditImage1024×1024300msS
Flux.2 DevImage1024×1024~7.4sS
MAGI-1Video1280×720400ms/frameS
HunyuanImage 3.0Image1024×1024500msB

Image models estimated at 1024×1024 (28 steps, FP16). Video models estimated at 768×512 (25 frames, 30 steps, FP16). Actual performance varies with runtime and system load.

Upgrade paths

Upgrade from H100 NVL 188GB

See what you unlock with more powerful hardware

アップグレードオプション

アップグレードオプション

Frequently Asked Questions

What AI models can I run on H100 NVL 188GB?

H100 NVL 188GB (188 GB VRAM) can run these top models: Devstral 2 123B Instruct (score: 96/100), DeepSeek V4 Flash (score: 96/100), Qwen 3.5 122B A10B (score: 95/100). See the full compatibility list above.

How much VRAM does H100 NVL 188GB have for AI?

H100 NVL 188GB has 188 GB of VRAM available for AI model inference. This determines which models and quantization levels you can run locally.

Is H100 NVL 188GB good for running LLMs locally?

Yes, H100 NVL 188GB is excellent for running LLMs locally with top compatibility scores above 80/100.

What is the best model for H100 NVL 188GB for coding?

For coding on H100 NVL 188GB, we recommend Devstral 2 123B Instruct. It achieves 91.6 tokens per second with 256K context window. This model is a direct match for coding. It belongs to a current frontier family for local AI. It fits natively with comfortable headroom. Known channels: huggingface, lm-studio.

Should I upgrade from H100 NVL 188GB?

There are 2 upgrade path(s) from H100 NVL 188GB: AMD Instinct MI325X 256GB, AMD Instinct MI350X 288GB. Upgrading would unlock larger models and faster inference speeds.

Can H100 NVL 188GB run Flux for image generation?

Yes, H100 NVL 188GB with 188 GB of usable memory can run Flux.1 Dev at FP16 natively. Flux is a 12B parameter diffusion transformer that produces high-quality images. You can also run the Schnell variant for faster generation.

What image and video AI models can I run on H100 NVL 188GB?

H100 NVL 188GB (188 GB VRAM) can handle various AI generation tasks beyond LLMs. For image generation, SDXL and Stable Diffusion 3.5 run well. Flux.1 Dev also runs natively for state-of-the-art image quality. For video, LTX Video 2.3 can generate short clips. Check the AI Capability Matrix above for detailed compatibility.

Is H100 NVL 188GB good for AI image generation?

H100 NVL 188GB is excellent for AI image generation. With 188 GB of usable memory, it runs all major diffusion models including Flux.1, SDXL, and Stable Diffusion 3.5 at full precision. You can generate high-resolution images quickly and even handle video generation models.

Can H100 NVL 188GB run Qwen 3.5 27B?

Yes, H100 NVL 188GB with 188 GB of usable memory can run Qwen 3.5 27B at Q8 (near-lossless, ~28.9 GB) or even FP16 (~55.4 GB) depending on your context needs. This setup provides an excellent experience with this model. Use Ollama or vLLM for best results.

What is the best quantization for AI models on H100 NVL 188GB?

With 188 GB VRAM on H100 NVL 188GB, use Q8_0 for most models — it is near-lossless and you have the memory for it. For 70B+ models, Q6_K offers excellent quality. Reserve Q4_K_M for 100B+ models or when you need maximum context length.

For local LLMs on H100 NVL 188GB, does VRAM matter more than bandwidth?

H100 NVL 188GB already has strong memory bandwidth, so the next limit is often memory capacity and context headroom rather than raw decode speed. For local LLMs, fit first and bandwidth second is the right mental model.

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