Can Nemotron Cascade 2 30B A3B run on NVIDIA H200 PCIe 141GB?

YES — Runs Great

S85Excellent

Estimated from fit model

Nemotron Cascade 2 30B A3B needs ~36.5 GB VRAM. NVIDIA H200 PCIe 141GB has 141.0 GB. With Q4_K_M quantization, expect ~623 tok/s.

Runtime: OllamaCapacity: RoomyBandwidth: HighStack: BasicBottleneck: Balanced

Operating mode

Choose the run profile you care about

Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.

Current mode

Balanced

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

Capabilities:

Select quantization to explore

Q4_K_M (Medium quality) — 36.5 GB, 623.3 tok/s, Runs well

36.5 GB required141.0 GB available

26% VRAM used

Fit status

Runs well

Decode

623.3 tok/s

TTFT

350 ms

Safe context

262K

Memory

36.5 GB / 141.0 GB

Memory breakdown

Weights18.3 GB

KV Cache2.9 GB

Runtime1.2 GB

Headroom14.1 GB

See how fast it feels

See how fast it feelsNemotron Cascade 2 30B A3B on NVIDIA H200 PCIe 141GB
1st promptCold start — includes initialization
>Write a Python function to sort a list
Here's a Python function that sorts a list using quicksort:

def quicksort(arr):
    if len(arr) <= 1:
        return arr
    pivot = arr[len(arr) // 2]
    left   = [x for x in arr if x < pivot]
    middle = [x for x in arr if x == pivot]
    right  = [x for x in arr if x > pivot]
    return quicksort(left) + middle + quicksort(right)

# Example usage
numbers = [3, 6, 8, 10, 1, 2, 1]
print(quicksort(numbers))  # [1, 1, 2, 3, 6, 8, 10]

The algorithm picks a pivot, partitions the list into smaller, equal, and larger elements, then recursively sorts each partition and concatenates the results.
2nd promptWarm — model ready, no init overhead
>Now add type hints and a docstring
def quicksort(arr: list[int]) -> list[int]:
    """Sort a list using the quicksort algorithm.

    Args:
        arr: List of integers to sort.

    Returns:
        A new sorted list.
    """
    if len(arr) <= 1:
        return arr
    pivot = arr[len(arr) // 2]
    left   = [x for x in arr if x < pivot]
    middle = [x for x in arr if x == pivot]
    right  = [x for x in arr if x > pivot]
    return quicksort(left) + middle + quicksort(right)

Added type hints for the input and return type, plus a Google-style docstring.
Estimated: 623.3 tok/s decode · 350ms TTFT (warm) · 1558 tok/s prefill

What limits this setup

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 improvement path

Performance by workload

Workload	Grade	Fit	Decode	TTFT	Context
Chat	A	Runs well	623.3 tok/s	350 ms	262K
Coding	S	Runs well	623.3 tok/s	350 ms	262K
Agentic Coding	S	Runs well	623.3 tok/s	452 ms	262K
Reasoning	S	Runs well	623.3 tok/s	367 ms	262K
RAG	S	Runs well	623.3 tok/s	565 ms	262K

Inference speed

Nemotron Cascade 2 30B A3B inference speed — tokens per second by GPU & Mac

Estimated decode speed (tokens/sec) for Nemotron Cascade 2 30B A3B at Q4_K_M across popular GPUs and Apple Silicon, using the fastest local runtime per device. Fastest is RTX 5090 32GB at ~186 tok/s. Speed is memory-bandwidth bound, so cards that fit the whole model in VRAM run far faster than ones that offload to system RAM.

GPU / Mac	Memory	Quant	Speed (tok/s)	Fits?
RTX 5090 32GB	32 GB	Q4_K_M	185.6	Fits
Mac Studio M3 Ultra 256GB	256 GB	Q4_K_M	86.1	Fits

Quantization options

How Nemotron Cascade 2 30B A3B (30B params) fits at each quantization level on NVIDIA H200 PCIe 141GB (141.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	11.7 GB	Low	A76
Q3_K_S	3	14.7 GB	Low	A76
NVFP4	4

Get started

Copy-paste commands to run Nemotron Cascade 2 30B A3B on your machine.

Run

ollama run nemotron-cascade-2

Your hardware

More models your NVIDIA H200 PCIe 141GB can run

Model	Params	Grade	Decode	Capabilities
Devstral 2 123B Instruct	123B	S	58.4 tok/s
Qwen3-Coder 30B A3B Instruct	30.5B	S

Frequently asked questions

Can NVIDIA H200 PCIe 141GB run Nemotron Cascade 2 30B A3B?

Yes, NVIDIA H200 PCIe 141GB can run Nemotron Cascade 2 30B A3B with a S grade (Runs well). Expected decode speed: 623.3 tok/s.

How much VRAM does Nemotron Cascade 2 30B A3B need?

Nemotron Cascade 2 30B A3B (30B parameters) requires approximately 36.5 GB of memory with Q4_K_M quantization.

What is the best quantization for Nemotron Cascade 2 30B A3B?

The recommended quantization for Nemotron Cascade 2 30B A3B is Q4_K_M, which balances quality and memory efficiency.

What speed will Nemotron Cascade 2 30B A3B run at on NVIDIA H200 PCIe 141GB?

On NVIDIA H200 PCIe 141GB, Nemotron Cascade 2 30B A3B achieves approximately 623.3 tokens per second decode speed with a time-to-first-token of 350ms using Q4_K_M quantization.

Can NVIDIA H200 PCIe 141GB run Nemotron Cascade 2 30B A3B for coding?

For coding workloads, Nemotron Cascade 2 30B A3B on NVIDIA H200 PCIe 141GB receives a S grade with 623.3 tok/s and 262K context.

What context window can Nemotron Cascade 2 30B A3B use on NVIDIA H200 PCIe 141GB?

On NVIDIA H200 PCIe 141GB, Nemotron Cascade 2 30B A3B can safely use up to 262K tokens of context. The model's official context limit is 262K, but available memory constrains the safe maximum.

See all results for NVIDIA H200 PCIe 141GB See all hardware for Nemotron Cascade 2 30B A3B

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