2x4gb Ram plus one more 4gb compatibility?

stephenkhong7

Prominent
Oct 27, 2017
24
0
510
I'm planning to add more ram to my system and I was wonder. I have 4 ram slots 2 of which are filled. The ram is in dual channel. I have 2x4gb 2133mhz ddr4 ram in my system right now. Is it possible to add only 1 more stick of 4gb ram into one slot?