Can I run Spark-X2.6-4B-DSpark-GGUF on an NVIDIA B200?

Yes

Its Spark-X2.6-4B-DSpark file (1.25 GB) fits in the 162 GB an NVIDIA B200 can use, with room for ≈ 1M tokens of context.

ollama run hf.co/XHToken/Spark-X2.6-4B-DSpark-GGUF

Files and context on NVIDIA B200

Each file of Spark-X2.6-4B-DSpark-GGUF (and of GGUF versions the site has analyzed), and how much context fits next to it, with the context cache in 16-bit or 8-bit.

Spark-X2.6-4B-DSpark-GGUF on other hardware

Popular models that run on NVIDIA B200

Assumes 90% of the card's memory is usable and at least 4K tokens of context for one conversation, with the context cache in 16-bit unless noted. Fits leaves at least 20% of that memory for context; Tight leaves less.