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URL: https://willitrunai.com/can-run/command-a-111b-on-dgx-spark-128gb


Can Command A 111B run on NVIDIA DGX Spark 128GB?

YES — With Q6_K

A83Great
Estimated from fit model

Command A 111B needs ~108.9 GB VRAM. NVIDIA DGX Spark 128GB has 0 MB. With Q6_K quantization, expect ~2 tok/s.

Runtime: llama.cppCapacity: OffloadBandwidth: LowStack: StandardBottleneck: Memory bandwidth
Share:

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.

Command A 111B at Q4_K_M needs 72.5 GB — too much for NVIDIA DGX Spark 128GB (0.0 GB). Runs at Q6_K (108.9 GB) with high quality. 6 quantization levels fit.
Capabilities:

Select quantization to explore

Q4_K_M (Medium quality) — 85.6 GB, 2.6 tok/s, Runs well
85.6 GB required108.8 GB available
79% VRAM used

Fit status

Runs well

Decode

2.6 tok/s

TTFT

73308 ms

Safe context

111K

Memory

85.6 GB / 108.8 GB

Memory breakdown

Weights67.7 GB
KV Cache3.9 GB
Runtime0.9 GB
Headroom13.1 GB

See how fast it feels

See how fast it feelsCommand A 111B on NVIDIA DGX Spark 128GB
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: 2.6 tok/s decode · 73.3s TTFT (warm) · 7 tok/s prefill

What limits this setup

The model fits in shared memory, but shared-memory bandwidth is now the real limiter.

Fit does not mean dedicated-VRAM speed

Unified or shared memory can make a model technically fit, but sustained tokens per second may still trail a discrete high-bandwidth GPU with less total memory.

Very little memory headroom

You can run the model, but there is not much room left for longer context, bigger batches, extra apps, or future model updates.

Shared-memory contention still exists

The OS, browser, and inference runtime all compete for the same physical memory pool, so real-world headroom is less forgiving than raw capacity suggests.

Best improvement path

Prioritize bandwidth, not only capacity

If this workload feels slow, the next useful step is often a GPU tier with materially faster memory bandwidth rather than only a small bump in capacity.

Buy headroom, not only minimum fit

A slightly larger memory tier gives you safer context growth and makes the recommendation more future-proof.

Performance by workload

WorkloadGradeFitDecodeTTFTContext
ChatFToo heavy2.0 tok/s52800 ms4K
CodingFToo heavy2.0 tok/s96800 ms4K
Agentic CodingFToo heavy2.0 tok/s140800 ms4K
ReasoningFToo heavy2.0 tok/s114400 ms4K
RAGFToo heavy2.0 tok/s176000 ms4K

Quantization options

How Command A 111B (111B params) fits at each quantization level on NVIDIA DGX Spark 128GB (92.2 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
43.3 GB
LowS87
Q3_K_S
3
54.4 GB
LowS88
NVFP4
4

Get started

Copy-paste commands to run Command A 111B on your machine.

Run

ollama run command-a

Upgrade options

Hardware that runs Command A 111B well

👁 NVIDIA
NVIDIA H200 141GBBudget pick
141 GB VRAM (+13)4800 GB/s (+4527)
S
Raises estimated decode speed by about 2400%.65 tok/s decode

Raises estimated decode speed by about 2400%.

Adds memory headroom for longer context windows and future model growth.

~$30,000 MSRP

👁 NVIDIA
NVIDIA H200 PCIe 141GBBest value
141 GB VRAM (+13)4800 GB/s (+4527)
S
Raises estimated decode speed by about 2400%.65 tok/s decode

Raises estimated decode speed by about 2400%.

Adds memory headroom for longer context windows and future model growth.

~$30,000 MSRP

👁 NVIDIA
NVIDIA B200 180GBNVIDIA upgrade
180 GB VRAM (+52)8000 GB/s (+7727)
S
Raises estimated decode speed by about 4065%.108.3 tok/s decode

Raises estimated decode speed by about 4065%.

Adds memory headroom for longer context windows and future model growth.

~$30,000 MSRP

Frequently asked questions

See all results for NVIDIA DGX Spark 128GBSee all hardware for Command A 111B
62.2 GB
Medium
S88
Q4_K_MBest for your GPU
4
67.7 GB
MediumS88
Q5_K_M
5
79.9 GB
HighF0
Q6_K
6
91.0 GB
HighF0
Q8_0
8
118.8 GB
Very HighF0
F16
16
227.6 GB
MaximumF0