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I'm using MacBook pro 2017 15 inch and i just got 3x DELL U2518D UltraSharp monitors to connect to my macbook pro.

What I actually need is best possible solution to connect this external monitors to my macbook pro. Should i use USB-C to DisplayPort adapter or should i go with USB-C to DisplayPort Cable?

What is difference? Is cable better? Or adapter?

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Use a Type C DisplayPort cable.

The ports on your MacBook Pro are Thunderbolt 3 which is a multiplexing of multiple signals:

  • PCIe
  • USB 3.1
  • DispayPort
  • Power

Since it natively supports DisplayPort, you want a cable, not an adapter.

Difference between cable and adapter

  • A cable is just an interconnect between a source and an end device using the same signaling

  • An adapter creates a signal from one to another (from USB to DVI or HDMI)

In this case, a cable is "better" because it's not converting any signals. Less conversion means better reliability.

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  • Thanks so much for your reply, but should i be worried which cable i take? Manufacturer and stuff?
    – AleksandarDjokic
    Commented Jun 5, 2018 at 18:21
  • Always buy quality from a known reputable manufacturer. I personally use the one linked.
    – Allan
    Commented Jun 5, 2018 at 18:26

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