As the title suggests, I have a Mid 2012 (Non-Retina) MacBook Pro that still runs great for me. I dropped in 16 GB of RAM and a 256GB Samsung 840 Pro SSD. It has a Core i5 running at 2.5 Ghz, and has an integrated GPU (Intel HD Graphics 4000 1024 MB). I have it running the latest version of Yosemite and plan on upgrading to El Capitan whenever it releases. I very rarely use it as a laptop and have it connected to a 23" 1080P monitor 99% of the time. I would like to upgrade my monitor and am looking at a 24" 4K Monitor, specifically the Dell P2415Q. From what research I have done thus far, I'm thinking my MacBook Pro could run the display, but only at 30Hz, which I think would be fine as I don't do any gaming on my computer. Is there any specific issue or problem that would be caused only running at 30Hz (if in fact it would run it)? Keep in mind the examples I did find of people noting a Mid 2012 MacBook Pro could run a 4K display at 30Hz were talking about a Mid 2012 rMBP as opposed the non-retina I have, so I'm not sure if mine can do it or not. Obviously wanting to know what the limitations would be before I actually go out and get the monitor. I plan on getting a new rMBP sometime late this year or early next year once they refresh with Skylake, but would like to upgrade to 4K now if I can. All comments are greatly appreciated!