Question Electronic piece fell out while cleaning PC. What is it?

Jun 7, 2019
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While cleaning my pc I probaly hit something and an electronic piece fell out.
My first thought was that it was a part of my motherboard but I'm not sure about that since I looked at the pictures of it and couldn't find it. I'm not sure where it belongs but I might be blind and it indeed belongs on the motherboard.
There is nothing written on it and my PC seems to work fine besides CPU temp but that might be cause by the fact that i need to re-paste it and summertime heat.
I use:
  • ASUS M4N68T-M-LE-V2
  • ASUS GTX 750TI
  • AMD PHENOM 2 X4 955
Pictures:
View: https://imgur.com/mga7NhO

View: https://imgur.com/JWSOtIC