kkl Posted January 10, 2020 Share Posted January 10, 2020 (edited) Hi I just bought Corsair SF750 and noticed the fan won't spin throughout entire usage of the pc and gaming. Every time I switch on pc, the PSU fan spins for few seconds and then stops, and never spin again. Is it normal? It's not spinning even during heavy gaming. Edited January 10, 2020 by kkl Link to comment Share on other sites More sharing options...
Corsair Employee Corsair Notepad Posted January 10, 2020 Corsair Employee Share Posted January 10, 2020 That specific PSU has a zero RPM mode and will only spin up the fan when necessary to actively cool the power supply. You most likely aren't pushing the unit to the point it needs to actually spin up the fan. Link to comment Share on other sites More sharing options...
kkl Posted January 11, 2020 Author Share Posted January 11, 2020 (edited) That specific PSU has a zero RPM mode and will only spin up the fan when necessary to actively cool the power supply. You most likely aren't pushing the unit to the point it needs to actually spin up the fan. I tried with Unigine Heaven Benchmark 4.0 for 15mins and also gaming for 2-3 hrs, did not see it spin even once. What's the best way to push its limit, to test if the fan is working? Edited January 11, 2020 by kkl Link to comment Share on other sites More sharing options...
DevBiker Posted January 11, 2020 Share Posted January 11, 2020 I tried with Unigine Heaven Benchmark 4.0 for 15mins and also gaming for 2-3 hrs, did not see it spin even once. What's the best way to push its limit, to test if the fan is working? Without knowing your hardware specs, we've got no clue what to tell you. Link to comment Share on other sites More sharing options...
kkl Posted January 11, 2020 Author Share Posted January 11, 2020 Without knowing your hardware specs, we've got no clue what to tell you. My pc specs are as following: AMD Ryzen 5 3400G Gigabyte B450 I Aorus Pro Wifi (with stock fan) 1x Kingston HyperX Fury 16GB 3200 Galax 2070 Super EX 8GB Kingston KC2000 ssd 512GB HDD 5400rpm 512GB 2x 120mm case fan 1x 92mm case fan 1x 80mm case fan No overclock. Link to comment Share on other sites More sharing options...
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