A:AnswerYou can use an Apple Thunderbolt to Thunderbolt 2 adaptor and then an Apple Thunderbolt 2 to Thunderbolt 3 adaptor to the included usb C to usb C cable and connect to this SSD drive. You will want to format it to Mac OS Extended Journaled with Disk Utility on your Mac.
A:AnswerThe Samsung T5 comes with a usb c to usb c cable as well as a usb c to usb a cable. You can plug it into your Mac Pro 2013 in the USB A port.
Also you can get an Apple Thunderbolt 2 to Thunderbolt 3 Adaptor and plug the Samsung T5 into it with the usb c to usb c cable and get faster performance than with the USB port on your Mac Pro.
A:AnswerYour biggest issue is the Way this is formatted must be compatible with Mac Pro & Windows. Or have the Mac read and write as a Windows unit. Other option is to partition the drive in 2 parts. One Mac & Other part Windows. I would use it one one system alone. Use it on the system you use the most.