Can I run Dolphin3-Cyber-8B-GGUF on an NVIDIA B300?

Yes

Its F16 file (16.1 GB) fits in the 259 GB an NVIDIA B300 can use, with room for ≈ 128K tokens of context.

ollama run hf.co/RavichandranJ/Dolphin3-Cyber-8B-GGUF:F16

Files and context on NVIDIA B300

Each file of Dolphin3-Cyber-8B-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.

Dolphin3-Cyber-8B-GGUF on other hardware

Popular models that run on NVIDIA B300

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.