Depending on which of Intel's NUC 8 Mainstream G is purchased, users will either have an Intel 8th Gen Core i3, Core i5 or Core i7 processor. The storage configuration may differ also. In the model we'll be looking at today (BXNUC8i5INHPA1) we have the IntelR CoreT i5-8265U Processor, 8GB 2133MHz LPDDR3, and a 256GB Intel SSD 545S.