Sometimes I like to have monitoring data to be displayed on an external monitor to be less 'in my face', even so I would have place for it on my main screen. So, is it possible to attach an external monitor to the new iMac 5k?

And can somebody with powers maybe generate a new tag iMac5k, if it is considered useful?

  • where did you look up ? – Ruskes Nov 12 '14 at 2:02
  • yeah, sorry, i looked at Apple specs but was confused with the issue that the iMac does not work as external monitor itself. – K.-Michael Aye Nov 12 '14 at 2:58

Yes. According to Apple's website, under the device's "Connections and Expansion" section:

Headphone port
SDXC card slot
Four USB 3 ports (compatible with USB 2)
Two Thunderbolt 2 ports
Mini DisplayPort output
Support for DVI, VGA, and dual-link DVI (adapters sold separately)

10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
Kensington lock slot

iMac with 5K retina display specs


I know there's an accepted answer, but I'm running a BenQ GW27605HS as a second monitor via a Thunderbird -> HDMI adapter and works great. There seems to be a Yosemite bug (ANOTHER Yosemite bug) where the screens will always start up mirrored, but a visit to the system prefs quickly fixes it.

Btw, I would definitely upgrade to the faster graphics card if you're going to do this -- I'd do it anyway with the 5K display but especially if you're going to use an additional monitor.

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