Does the Alienware m16 R1 with 16GB RAM come from Dell with 2x8GB RAM sticks installed or 1x16GB RAM sticks installed? I have 16GB installed from Dell and I want to upgrade to 32GB, but I want to make sure I a purchase the proper RAM for the system and if I can just purchase a second 16GB of RAM to bump it up to 32GB. The system has a 13th Gen Intel Core i7-13700HX @ 2.10 GHz