- You cannot add "Acer Predator Helios 15 300 (2020), 144Hz Gaming - Core i7 - 10th Generation - 10750H Processor HexaCore,(2.60 GHz Base Frequency Upto 5.0 GHz) 16GB RAM - 512GB SSD - 15.6" Full HD 144Hz 3ms IPS Display - 6GB Nvidia RTX 2060 Graphics - RGB Backlit KeyBoardB - Windows 10 - Abyssal black- 1 Year International Warranty" to the cart because the product is out of stock.