upgradeing my ram

[hicklifeoutdoors1989]

hello i am wanting to upgrade my ram i have ballistic sport ram 2x4 gigs already know i do not want to buy 2 more 4 gigs dont know if it will work and honestly dont want to waste my time

question is i want 16 gigs of ram i have a asus maximus vii hero alpha mother board have i7 7700 cpu can this mother board z170 heard some motherboards wount use full ram speed depending on board just needing help to determine what speeds i should get with my mother board wanting 2x8 gigs of ram sorry if i made this confusing

 

[Supahos]

If that's not a 7700k you'll likely only get 2400 mhz speed to run, maybe 2666