> Thunderbolt combines PCI Express (PCIe) and DisplayPort (DP) into two serial signals,[7][8] and additionally provides DC power, all in one cable.
From the Wikipedia entry at https://en.m.wikipedia.org/wiki/Thunderbolt_(interface)
> Thunderbolt combines PCI Express (PCIe) and DisplayPort (DP) into two serial signals,[7][8] and additionally provides DC power, all in one cable.
From the Wikipedia entry at https://en.m.wikipedia.org/wiki/Thunderbolt_(interface)