Two DGX Spark and a Connect-X7 cable give you about 250GB of usable memory for $7000 8000 USD. This allows using some interesting models at 4-bit. For what seemed like an eternity, the only serious models in that size were GLM 4.5/4.6/4.7 (194GB), Qwen 3.5 397B (210GB), and older MiniMax. Then 3 mon