As the title says 
links to websites like amazon, ebuyer or scan would be appreciated to guide me to what to buy and what not to buy, do I need HBR2?
edit: is http://www.amazon.co.uk/CSL-Displayport-latches-transmission-certified/dp/B015PRPPS4/ref=sr_1_5?ie=UTF8&qid=1450191452&sr=8-5&keywords=display+port+1.2
good? It will be getting plugged into a gtx 970 straight into a acer or asus 4k monitor.

links to websites like amazon, ebuyer or scan would be appreciated to guide me to what to buy and what not to buy, do I need HBR2?
edit: is http://www.amazon.co.uk/CSL-Displayport-latches-transmission-certified/dp/B015PRPPS4/ref=sr_1_5?ie=UTF8&qid=1450191452&sr=8-5&keywords=display+port+1.2
good? It will be getting plugged into a gtx 970 straight into a acer or asus 4k monitor.