EVGA Classified Z170 vs Asus ROG Maximus IX Hero Z270

[dazkyl]

Which one should I get ?

Im upgrading from an asus z170 pro gaming and i5 6600k to one of these mentioned above and an i7 7700k.

Thanks

 

[dazkyl]

Or maybe AORUS Gigabyte - GA-Z270X-Gaming 7 ?

I heard the Asus sound is better.

Suggestions please.