Although the outgoing Mac Pro had a 6 year run, it received few, if any updates during that time. In the weeks, months and years preceding the release of the 2019 Mac Pro, the crescendo of silence surrounding the Mac Pro led many to believe Apple was going to axe this model from the lineup. The 2019 model finally introduces Thunderbolt 3 to the Mac Pro, returns to a tower form factor in an all-new design, and offers a total of 8 PCI Express expansion slots. The last Mac with close to this man...