Question Asus ROG Strix Z270H Motherboard Unknown Connector??

[Lulu101]

Hi guys I was just wondering does anyone know what this connector circled in red is for on a ASUS ROG Strix Z270H ,

https://imgur.com/a/gkW6f19

View: https://imgur.com/a/gkW6f19
I can't find anything that states it on the manufacturers manual
Thanks

 

[Lulu101]

Anyone?