Multi-GPU servers hit 90°C despite 8-fan cooling

A troubleshooting discussion on multi-GPU server cooling found that even with 8 fans at full intake, middle GPUs exceed 90°C after 10+ minutes of heavy load at 22°C room temperature, suggesting insufficient case airflow rather than card spacing is to blame.

2026-09-19 ~ 2026-09-19 · 3 related posts

• GPUs Hitting 90C? Check Case Airflow, Not Card Spacing — TheZachMueller · 2026-09-19
• Even with 8 fans at max, middle GPUs in a rig hit 90°C under load — ClementPillette · 2026-09-19
• Multi-GPU rig cooling debate: should fan curves be tuned per GPU under load — TheZachMueller · 2026-09-19