(iMac 5k doesn't support eGPU to run its own monitor therefore an extra monitor is inevitable) So recently I installed Oculus on my iMac 5k late 2014 version, here are some thoughts and tips:ġ iMac is not the machine for Oculus Rift, however if you install everything properly, it is possible to run Oculus Rift on your iMac with an external GPU and an extra monitor.