A:Answer The Lenovo IdeaPad 3 15 Gaming Laptop, model number 82K20003US, is not user upgradable. A certified technician must do all of the work, so as to not void the warranty. This configuration ships with 8GB DDR4-3200MHz RAM (1x 8GB SO-DIMM DDR4-3200MHz RAM), within the two DDR4 SO-DIMM slots, dual-channel capable. The maximum supported RAM Memory for this configuration is up to 16GB DDR4-3200MHz RAM. There is a 512GB M.2 2280 PCIe 3.0x4 NVMe solid state hard drive installed. The maximum storage memory supported by this configuration is: up to two drives, 1x 2.5 inch HDD + 1x M.2 2242 SSD or 1x M.2 2242/2280 SSD + 1x M.2 2242 SSD - 2.5 inch HDD up to 1TB - M.2 2242 SSD up to 512GB or M.2 2280 SSD up to 1TB. We recommend you consult with your certified technician about your upgrade options.