TMPIN1 high temperatures

mitets

Reputable
Jan 19, 2016
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4,510
Motherboard : Gigabyte 970A-UD3P ATX
CPU : AMD FX-8320
GPU : Sapphire R9 390
Case : Aerocool DS 200
Power Supply : 750W bronze

CPU and GPU temperatures are in the range of 60-70 degrees under a full load, but the TMPIN1 goes up to 80-82. After adding 2 extra exhaust fans, and one intake , all temperatures jumped up another 1 or 2 degrees. The system seems to be stable , and all fans are working properly, because 5-10 seconds after I stop gaming or stress-testing everything is back to the 40s range.
And for my question now , is it safe for my system to work under that kind of temperature , and could a water cooling solve my problem?