wondering about youre build ??? well lets break it down now you found youre ram butt wil the oc guarantee 3200 well you chould check the motherboards QVL looks like this (this is the asus one btw) which is qualified vendors list for your motherboard http://dlcdnet.asus.com/pub/ASUS/mb/LGA1151/Z170-K/Z170_DDR4_4DIMM_memory_QVL_report160216.pdf hope this help demystify the which ram to get