Apple MBP                                       Z170-A
___________________________________________________________________
  1Tb NVMe                                     1Tb SATA III
      ^                                             ^
    disk                                          disk
      v                                             v
Thunderbolt 3                                   ~~~~~~~~~
      ^                                             ^
  adapter                                        adapter
      v                                             v
10GbE Ethernet                             Intel I219-V (built in)

      |                                              |
      ----------------Ethernet (auto-MDIX)------------