Sorry for slight off topic, but since this is most active post about the zen3 I thought you will forgive 
I was reading about the "right" RAM for the 5000 series, and it seems you need lowest latency stick you can get (CL 14 for example).
Found this two options on amazon ( as it seems the only place go get the G.skill's in Uk)
-G.Skill Flare X F4-3200C14Q-32GFX
-G.SKILL F4-3200C14Q-32GTZR
Both 4x8GB configs. Which of those you guys think would fit best for OC 5950 cpu

I was reading about the "right" RAM for the 5000 series, and it seems you need lowest latency stick you can get (CL 14 for example).
Found this two options on amazon ( as it seems the only place go get the G.skill's in Uk)
-G.Skill Flare X F4-3200C14Q-32GFX
-G.SKILL F4-3200C14Q-32GTZR
Both 4x8GB configs. Which of those you guys think would fit best for OC 5950 cpu