You cannot add "Dell Mobile Precision M7760 11th Gen Intel Core i9-11950H (8 Core, 24MB Cache, 2.60GHz to 5.00GHz, 45W, vPro); 16 GB, 2x8 GB, DDR4, 3200MHz, Non-ECC, SODIMM, M.2 2280 512 GB, NVIDIA RTX A4000 w/8 GB GDDR6, Windows 10 Pro (64bit) English, 3Yr Pro support Warranty" to the cart because the product is out of stock.