You cannot add "Dell Precision 5540 15.6" touch 4K i7-9th gen RAM 32GB SSD 512GB NVIDIA 4GB GradeA warranty SKU8204" to the basket because the product is out of stock.
HP Elitebook 840 G5 14″ i5 8th Gen SSD 512GB RAM 16GB Grade A Backlit Laptop SKU7231