Home Slickdeals Samsung 50 inch 4K UHD LED LCD TV – UN50NU710D Costco –... Slickdeals Samsung 50 inch 4K UHD LED LCD TV – UN50NU710D Costco – $349.99 valid through 3/23/19 By ARCOM - 23 March 2019 145 0 SHARE Facebook Twitter Go to the deal page: Samsung 50 inch 4K UHD LED LCD TV – UN50NU710D Costco – $349.99 valid through 3/23/19