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Dec 26, 2015 6:29 PM in response to cosmogonyby cosmogony,After further research, I have decided that I want to join the 4K crowd. So the MacBook Retina, which in my opinion is the greatest Mac at the moment, does have some shortcomings for the future:
- The early usb-c it has does not have Thunderbolt
- Because it has an Intel Broadwell cpu, it can't drive 3x4k displays. We need Skylake for that.
So at the moment, one would use:
- A single hdmi connected 3840x2160x24 @ 60 Hz monitor, to get Retina experience a size no larger than 28 - 30", like a Samsung.
- If a DisplayPort adapter becomes available, an option to use 2 external 2560x1600x24 @ 60 Hz displays via DisplayPort multi-stream transport
So Macbook has unspecified hdmi version, and the 3840 is available in hdmi 1.3. However many monitors and cables claiming 1.3 will not support 4k or any resolution worth using, like Dell. They were designed for hdtv, no mas.
And once a Thunderbolt 3 usb-c MacBook Retina shows up, upgrade to get that 2 external 4K displays experience. We are also looking for 10 Gb/s usb 3.1.
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Dec 27, 2015 10:11 PM in response to cosmogonyby Lanny,The 12" Retina MacBook does not support an external 4k monitor @ 60 Hz, only 30 Hz, and it does not support the use of 2 external monitors.
And, it doesn't support a 10 Gb/s USB 3, as the USB-C port is limited to 5 Gb/s. So, even if some kind of USB-C to Thunderbolt adapter were developed, it wouldn't be able to support anything higher than 5 Gb/s.