Design Hub

Aug 6, 2026 · Artificial Intelligence

Running MiniMax H3 Locally: ComfyUI Setup, Faster Downloads, and VRAM Peak Management

This guide walks through installing MiniMax H3 on a Windows RTX 4090 with ComfyUI, covering isolated environment creation, 42.5 GB model download acceleration via ModelScope and aria2, SageAttention speed‑up, EasyCache tuning, VRAM debugging, performance measurements, and troubleshooting tips.