Looking for ram problem

[Rana3]

I have 4gb ddr3 Kington,my question is If i add "other 8gb corsair ddr4 "..It is possible for mixing ddr3 and ddr4.

 

[kanewolf]

No, you can not mix DDR3 and DDR4. Most motherboards will only have one kind of slot (they have different key notches). Even the very few motherboards with both kinds of slots can only use one or the other.