The CPU or (Central Processing Unit) is the most important part of your computer and keeping it updated is ideal for optimizing your computer. The Intel Core i7 CPU is one of intel's highend prosseserss. It will cover anything from streaming the web to hardcore 4k or VR gaming. Being a Octacore hypertheaded proseser insures that your investment in upgrading with keep your computer running top of the line software for years to come.