- You cannot add "Dell XPS 15 9575 X360 – Core i7 8th Generation 8750G (3.1GHz Upto 4.1GHz 8M Cache) 16GB Ram 2TB SSD 15.6 UHD 4K Touch X360 4GB Radeon RX Vega Graphics Win 10 – 1 Year International Warranty" to the cart because the product is out of stock.