The 2011 iMac (27' only) support Target Display Mode via Thunderbolt only.
So do I need a different cable if the only thing that is changing in the configuration is that instead of a mini DisplayPort on the iMac, I have Thunderbolt port on the iMac. MDP cables can be used in either mDP ports or Thunderbolt ports Thunderbolt cables can only be used on Thunderbolt ports. mDP cables are not Thunderbolt cables and vice versa. Thunderbolt 1 and Thunderbolt 2 cables, while they carry the mDP signal are not mini DisplayPort cables. Only quality USB-C cables are also Thunderbolt 3 cables. Here are some basic rules about Thunderbolt and DisplayPort cables:Īny Type C Thunderbolt 3 cable is also a USB-C cable.
