A:AnswerHi Gumby,
Yes, the 43" QN90C has a refresh rate of 120Hz. Purchase it at Best Buy here: https://www.bestbuy.com/site/samsung-43-class-qn90c-neo-qled-4k-uhd-smart-tizen-tv/6533842.p?skuId=6533842
~Samsung Advisor
A:AnswerHi Dog,
You will need internet access to access the features that are on Smart Hub. However, if you connect to your cable service via cable, then you will not need the internet to access your cable service.
~Samsung Advisor
A:AnswerNo, there is no such thing as a TV that protects themselves from power surges, you will need to plug the tv into a surge protector power strip in order for it to be protected from power surges.
A:AnswerHi,
PBS and PBS Kids apps are available on the Samsung CU8000 TV. The PBS Masterpiece is available to watch through Amazon Video (purchase may be required). You can also screen share content through your phone or tablet.
~Samsung Advisor