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Has anyone gotten 4k60 to work with a late 2013, 27" iMac? Is there some setting or something that I am missing? Any help would be appreciated.ĭisplayPort v1.2 - vs 1.0 and 1.1 - newly supported 60Hz UHD (4k), where the older specification had only enough speed to support 30Hz. In that case, I suspect that these Asus MG28U displays use MST, but I cannot find any information regarding whether they're SST or MST.
Display imac 27 late 2013 pro#
![display imac 27 late 2013 display imac 27 late 2013](https://www.gottabemobile.com/wp-content/uploads/2012/12/iMac-Late-2012-Review-15.jpg)
Display imac 27 late 2013 full#
Simultaneously supports full native resolution on the built-in displayĪnd up to a 30-inch display (2560 by 1600 pixels) on an external According to Apple's official technical specifications for this ( iMac (27-inch, Late 2013) - Technical Specifications), its limited to only 2560x1600: There is conflicting information about 4k support on this Mac. I am trying to figure out why these two computers treat these monitors differently, and show different settings for them.
![display imac 27 late 2013 display imac 27 late 2013](https://venturebeat.com/wp-content/uploads/2018/06/jumanji-is-p-good-wwdc-18.png)
![display imac 27 late 2013 display imac 27 late 2013](https://i.pinimg.com/736x/db/51/9b/db519b746af256f43639fc40fac22292.jpg)
Interestingly, the preference pane looks different on my MacBook Pro, offering a bunch of scaling options, with no mention of refresh rate (although I can visually confirm it's 60 Hz): This confirms that the cables I'm using (Mini DisplayPort to Display port) are not the limiting factor). I also have an early 2015 MacBook Pro, which supports these displays at 4k60. When I connect them, I am limited to 30Hz (but importantly, the 3820x2160 resolution does work): I have a late 2013, 27" iMac with a GeForce GTX 780M graphics card, which I'm trying to get to connect to two 4k displays (Asus MG28U) at 60Hz.
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