This PC was equipped with excellent hardware but the performance was terrible for a day or so.  Dell tech service tried to help me without being successful.  I finally cloned the hard drive to an SSD but I was surprised that the PC was still slower than my oldest Dell laptop.  I had defragged the original hard drive prior to cloning it to the fast SSD.  I had anticipated a great improvement in performance but it was still slow as....  I finally realized why the performance was so slow and then fixed the problem.  I am satisfied with the PC now.  However; I plan to purchase 32Gb of ram in the near future to see if it will perform as fast as it should.