The original build of an AMD AM3+ motherboard and AMD processor attached to an NZXT case with water cooling to an i7 CPU with another GIGABYTE GA-Z170X-Ultra motherboard, which had the support for the LGA 1151 i7 chip . DDR4 upgrade was a must since the motherboard is DDR4 2133 MHZ top rated. The liquid cooling from NZXT was a breeze to install back on.
Also the new customer supplied motherboard didnot have IDE cables so a blu-ray drive or DVD to SATA upgrade is a must. Custom PC builds are something to be proud of . Here at TDR we love to customize.