This message was posted on behalf of Intel Corporation
Thank you for contacting Intel Communities.
I would appreciate if you provide the following information in order to report the issue:
Specific part number of the RAM:
Are you using a discrete video card?
The software you are using to monitor the temperature:
In addition to this, there is an existing thread where this issue is being addressed:
Thermal sensor issue i7-7700k?
You can post your inquiry in that thread; however, the information above is important to keep track of this issue.
Any possible solution will be posted in the thread provided above.
Hope to hear from you soon.