Home Slickdeals 55″ Samsung UN55MU800D 4K UHD HDR Smart LED HDTV (Refurbished) $449.99 +... Slickdeals 55″ Samsung UN55MU800D 4K UHD HDR Smart LED HDTV (Refurbished) $449.99 + Shipping @ Walmart By ARCOM - 29 August 2018 134 0 SHARE Facebook Twitter Go to the deal page: 55″ Samsung UN55MU800D 4K UHD HDR Smart LED HDTV (Refurbished) $449.99 + Shipping @ Walmart