Can I run Spark-X2.6-4B-abliterated-FIT-GGUF on an RTX 4060?

Yes

Its Q6_K file (3.38 GB) fits in the 7.20 GB an RTX 4060 can use, with room for ≈ 100K tokens of context.

ollama run hf.co/SC117/Spark-X2.6-4B-abliterated-FIT-GGUF:Q6_K

Files and context on RTX 4060

Each file of Spark-X2.6-4B-abliterated-FIT-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-abliterated-FIT-GGUF on other hardware

Popular models that run on RTX 4060

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.