Samsung UN40KU6290 40" 4K Ultra HD Smart LED TV along with a matching HDMI cable such as BlueRigger High Speed HDMI Cable with Ethernet. I have previously bought (and subsequently returned) a DisplayPort 1.2 to 4K HDTV cable 6ft and it didn't support 4K between the dock and TV (Microsoft Windows only allowed up to 1080p) I have provided a relevant review for this cable Cable Matters advised me to try a different adapter and this solved the problem So thanks to the Cable Matters guys for the advice!
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