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