Threadripper crucial kit

So I remember watching an episode of lvl1 where a newer kit of ram was being used for Threadripper any one have any idea what kit is good for overclocking my buddy is in to overclocking everything he can.

I don’t remember the episode but I use this kit (3600 CL16) for myself and OCed it to 3733 on 1.4V it’s not much but the timings are good for Micron Rev. E: