Overclocking master Der8auer continues to researching AMD Ryzen Threadripper CPU. In past, Der8auer splitted up the cooling bracket from cpu and have shown up 4 unit. AMD said, 2 of these unit for just balance the weight of cooling bracket.
Latest news (Roman Hartung), AMD EPYC processors has four 2 core units, btw threadripper has two 4 core units despite pin sizes and shapes look like same.
Unlike AMD's statement xray shoots displayed that weight balancer units have dataways too.
This gallery has shoots of xray results. Look it!
https://www.donanimhaber.com/islemci/galerileri/Threadripper-XRay-cihazindan-gecti-iste-sonuclar.htm