The Apple Mac mini "Core i7" 3.0 (Late 2014/Aluminum Unibody) features a 22 nm "Haswell" 3.0 GHz Intel "Core i7" (4578U) processor with two independent processor "cores" on a single chip, a 4 MB shared level 3 cache, 8 GB of onboard 1600 MHz LPDDR3 SDRAM (which could be upgraded to 16 GB at the initial time of system purchase, but cannot be upgraded later), either a 1 TB hard drive or a 1 TB "Fusion Drive" (which combines a 1 TB hard drive and a 128 GB SSD), and an "integrated" Intel Iris 5100 graphics processor that shares system memory.