A:AnswerHello jake, this unit is a 2017 model. I have attached links below to the specifications of each model.
https://www.samsung.com/us/televisions-home-theater/tvs/4k-uhd-tvs/65--class-mu6290-4k-uhd-tv-un65mu6290fxza/?redir=UN65MU6290FXZA#specs
https://www.samsung.com/us/televisions-home-theater/tvs/4k-uhd-tvs/55--class-mu6300-4k-uhd-tv-un55mu6300fxza/?redir=mu6300%20inch#specs
^Britt
A:AnswerI actually did some research and looked it up. The native refresh rate is 60Hz, but Samsung uses buzz words like Motion Rate which is not the same thing as refresh rate.
A:AnswerHi ChristinaR, we understand your concerns with the TV. Please fill out the form below and one of our social media specialists would be happy to assist you. http://smsn.us/SamsungSupportUSA and we will respond accordingly. ^Britt