can it run
Comfortably. 128GB of memory against a 21GB working set leaves headroom for context, the OS, and anything else you're running.
weights 16.5GB + KV cache 2GB at 4k context vs ~126GB usable → full. 18.5 GB needed of 126 GB usable — headroom for context
computed roofline: 273 GB/s × 0.25–0.65 efficiency window / 16.5GB (Q4_K_M) — bands, never points.
| model file | 16.5GB (GGUF Q4_K_M) |
| minimum memory | 21GB working set |
| this machine | 128GB unified |
| params | 27B |
| license | apache-2.0 |
| price | $5979.0 |
easy run: ollama pull qwen3.8:27b
runs with: ollama · llama.cpp · koboldcpp · lm studio
→ ASUS ExpertCenter Pro ET900N G3 (GB300) — this model on the biggest machine
→ rtx-5090 — the next step up from this machine's GPU