How to get HDMI 2.0 output from Intel HD and Iris Graphics (Haswell onwards) for 4K 60Hz output to monitors and TVs. This method uses the Club3D DisplayPort 1.2 to HDMI 2.0 adapter, available for both DisplayPort and mini-DisplayPort connectors.
DP: http://amzn.to/1WDuyXs
Mini-DP: http://amzn.to/1WDusPJ
The test system used was an Intel NUC6i3SYH: http://amzn.to/1WDtTp8
This method should be applicable for all Haswell, Broadwell and Skylake systems with DisplayPort outputs. Supported GPUs include:
Intel HD 4400
Intel HD 4600
Intel HD 5000
Intel Iris 5100
Intel Iris Pro 5200
Intel HD 5500
Intel HD 6000
Intel Iris 6100
Intel Iris Pro 6200
Intel HD 520
Intel HD 530
Intel Iris 540
Intel Iris 550
Intel Iris Pro 580