The Leadtime of your builds/Order
The Best Deal you able to get off this purchase!
The "Brain" of your laptop
This is where you can choose your RAM Size. You are advised to choose to add more Ram if you are a heavy user, e.g Production, coding, Editing, Rendering and etc. Else 8G will do just fine
M.2 NGFF ultra lightweight Solid State Drive Combo Slot
The Default Operating system for your laptop. You can't LIVE without them (joking)
The wireless Network choice of your system.