NVIDIA DGX Spark (GB10, 128GB)

273 GB/s is the binding constraint: on dense 70B-class models decode lands around 3-5 tok/s, while an MoE like gpt-oss-120b (~5.1B active) decodes 35-53 tok/s depending on the llama.cpp build -- updates during October 2025 alone raised gpt-oss-120b decode from ~38.5 to ~52.9 tok/s on unchanged hardware. Peak system power is specified at 240W (140W GB10 SoC plus up to 100W rest-of-system); users report roughly 170W under sustained load. The price is the Founders Edition, the only configuration NVIDIA sells directly; it rose from $3,999 at the October 2025 launch, which NVIDIA attributes to LPDDR5X supply constraints. Partner machines (Acer Veriton GN100, Asus Ascent GX10, Dell Pro Max GB10) start around $3,999 for a 1TB variant. The Canadian listing had one unit online and one in a single store, and sits well above the US band; NVIDIA and partner AI mini-PC pricing has been volatile in Canada this year.