Tuning Thermalright PA140 airflow for Spider-Man: Miles Morales
This cooler is a bit of a 'silent assassin' in the wrong way—swinging through NYC, my CPU temps would rocket from 60℃ to 88℃ in a heartbeat, and my FPS would just dive to 50. The PA140's dual-tower setup is great at low speeds, but the default stepped fan curve was way too slow to react to these bursts, letting heat soak the base. I tried just pinning the fans to 2000 RPM, but it sounded like a server room and only dropped temps by 3℃, which was honestly pathetic. I ended up rebuilding the offset curve, setting 75℃ as the aggressive trigger point, and bumping the intake fans by 200 RPM to create strong positive pressure. Checking HWInfo, the peaks are now capped at 78-82℃, and the frame drops are gone. I actually messed up and loosened the heatsink top cover while tweaking the airflow, which sent temps to 95℃ for a second, but tightening it back down fixed it. Core temps now sit at 65-74℃ with noise around 35dB. Logged all the stress test data and it's finally stable.
