![]() ![]() Both DisplayPort signals can be transmitted down a single Thunderbolt 3 cable.īecause the GPU of the Blackmagic eGPU is separate from the MacBook Pro GPU, and because the LG UltraFine 5K connected to the Blackmagic GPU takes DisplayPort signals from the GPU of the Blackmagic eGPU, there will be no conflict. The Blackmagic eGPU has a Thunderbolt 3 controller which takes two DisplayPort inputs from the GPU of the BlackMagic eGPU. The Thunderbolt controller in the LG UltraFine 5K uses both DisplayPort signals, that is why it does not have a second Thunderbolt 3 port to daisy chain other Thunderbolt devices. This is why each LG UltraFine 5K requires a separate Thunderbolt controller (one on each side of the MacBook Pro). Both DisplayPort signals can be transmitted down a single Thunderbolt 3 cable.Įach LG UltraFine 5K display requires two DisplayPort signals over Thunderbolt to support 5K 60Hz resolution. Each Thunderbolt 3 controller takes two DisplayPort inputs from the GPU of the MacBook Pro. The MacBook Pro has two Thunderbolt 3 controllers, one on each side.
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