- You cannot add "HP Omen 15 EN0013dx Gaming (144Hz) - AMD Ryzen 7 4800H (2.9 GHz base clock, up to 4.3 GHz, 4 MB L2 cache, 8 cores) - 8GB - 512GB SSD - 15.6" FHD IPS LED Display (300nits, 144Hz) - 6GB NVIDIA GTX 1660Ti GRAPHICS - RGB Backlit Keyboard - Windows10 - Mica Silver" to the cart because the product is out of stock.