The apple mac mini "core i5" 2.3 (late 2012/aluminum unibody) features a 22-nm quad core "ivy bridge" 2.3 ghz intel "core i5" (3615qm) processor with four independent processor "cores" on a single chip, a 6 mb shared level 3 cache, 4 gb of 1600 mhz ddr3 sdram (pc3-12800) memory, a 1 tb hard drive, and intel hd graphics 4000 which shares system memory. it does not have an internal optical drive.
connectivity includes a firewire "800" port, four usb 3.0 ports, hdmi, thunderbolt, combined "audio line in (digital/analog)" and combined "audio line out/headphone (digital/analog)" minijacks, a 10/100/1000base-t gigabit ethernet port, 802.11a/b/g/n wi-fi, bluetooth 4.0, and an sdxc card slot.
compared to its predecessor, this model looks identical, but it has a faster internal architecture with a faster processor and faster ram, albeit slower graphics, as well as usb 3.0 ports.