- You cannot add "Dell Inspiron 7391 X360 2-in-1 - 10th Generation - Core i5 - Processor (10210U) (1.6 GHz up to 4.2 GHz ,6MB Cache) - 8GB RAM - 512GB SSD + 32GB Intel Optane - 13.3 FHD X360 Touch Screen Display - FP Reader - Backlit KB - Windows 10 - 1 Year International Warranty (Silver)" to the cart because the product is out of stock.