Qwen3.8 125B (6B active) Flash-Next

User reports Qwen3.8 Flash Next at 15 t/s on an RX 7900 XT with 20 GB VRAM and 96 GB DDR5 RAM. User asks whether to add another 96 GB of system RAM or a second RX 7900 XT for running local LLMs such as Qwen3.8 27B or Qwen3.8 Flash Next.