So with ThunderBolt you can daisy chain multiple monitors off a single port?

Discussion in 'MacBook Pro' started by rogerh, Feb 24, 2011.

  1. rogerh, Feb 24, 2011
    Last edited: Feb 24, 2011

    rogerh macrumors member

    Aug 15, 2006
    do you think it would be possible to run more MULTIPLE external monitor off a daisy chain thunderbolt port? if so that would be awesome.
  2. Mal macrumors 603


    Jan 6, 2002
    That's specifically stated as possible on Apple's page about the new MBP's:

    Wait: I misread. No, I don't know if that will be possible. The bandwidth is there, but not sure if the support is available.

  3. rogerh thread starter macrumors member

    Aug 15, 2006
    Sorry i edited my original post.. kind of confusing :p

    i hope it can.. it would be nice to use my 3x23" IPS monitors on a macbook pro!
  4. dime21 macrumors 6502

    Dec 9, 2010
    It depends on what you're doing with those monitors. Light Peak has only 10 Gb/s of bandwidth, while DisplayPort 1.2 has more than double that, at 21 Gb/s, to support 2,560 × 1,600 × 30 bit @120 Hz. What do you think is going to happen, when you plug 3 of those devices, which want 63 Gb/s of bandwidth, into a port that only delivers 10 Gb/s? Crap performance, that's what.

    Even if you're 3 monitors are each running at 1080p resolution, they'll require 21 Gb/s. And your LP port is only 10 Gb/s.

    So I guess the answer is "it depends". But don't expect good performance with three very high resolution displays.
  5. shunuchan, Feb 24, 2011
    Last edited: Feb 24, 2011

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