Do you need a High Refresh Rate Monitor?

High Refresh Rate Monitors are popular among PC enthusiasts and Gamers - but what exactly are refresh rates, is higher always better and what's the real difference between 60hz, 75hz, 100hz, 120hz, 144hz and 165hz Monitors?

Featured Monitor (ASUS PG279Q 165hz):
US: http://www.amazon.com/dp/B00MSOND8C/?...
UK: http://www.amazon.co.uk/dp/B00LBZLIXG...

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Видео Do you need a High Refresh Rate Monitor? канала The Tech Chap