If the OP reads this, this fragment makes no sense:
> Even thought the GPU is the MVP in deep learning
Also: if you ever do another build: do not take the parts out of their protective packaging until you need them. A nice little bolt of static from your fingertips to the motherboard, memory sticks or GPU terminals could ruin the part. Those bags and the foam are conductive and help to disperse static energy so better to use them until the last moment.