GPUs Hitting 90C? Check Case Airflow, Not Card Spacing
TheZachMueller · x · 2026-09-19
A troubleshooting thread on multi-GPU server cooling: the author argues that GPUs hitting 90°C is more likely an airflow/air-intake problem than a card-spacing issue, since these server cards use non-blower style fans that dump heat into the chassis. Key questions: are only the top or bottom cards hot, or all of them? What front intake fans are installed? If needed, adjust fan curves to push harder under load.
Related event: Multi-GPU servers hit 90°C despite 8-fan cooling(3 posts)→
More from Infra
- How Google's Leopard Index makes Zanzibar auth checks two lookups at any nesting depth — arpit_bhayani · 2026-09-19
- BONSAI SWARM Launches Browser-Based P2P Inference Network to Trade Idle GPU Time — airesearch12 · 2026-09-19
- Open models now outspend OpenAI on Vercel gateway, taking 78% of token volume — soumitrashukla9 · 2026-09-19
- Multi-GPU rig cooling debate: should fan curves be tuned per GPU under load — TheZachMueller · 2026-09-19
- ROCmFix: zero-dependency Python tool auto-fixes AMD ROCm setups and benches Vulkan vs HIP — pavlexlkl · 2026-09-19
- Emulating memory access: FEX-Emu devs on the x86-to-ARM memory model minefield — blaizedsouza · 2026-09-19