Asrock fatal1ty z270 gaming itxac supported memory types ddr4 sdram memory slots type dimm supported memory clock speeds 2133280029333200360038664000 mhz processor family intel compatible processor series celeroncore i3core i5core i7pentium processor socket lga1151 lan controller intel i219 v ethernet interface type gigabit ethernet wi fi standards ieee 80211aieee 80211acieee 80211bieee 80211gieee 80211n motherboard chipset family intel motherboard chipset intel z270 motherboard form factor mini