Mac Mini Aluminum Unibody 2.5GHZ Dual Core i5 (Late 2012). – Apple MD387LL/A. Used cheap refurbished The Apple Mac mini ‘Core i5’ 2.5 (Late 2012/Aluminum Unibody) features a 22-nm ‘Ivy Bridge’ 2.5 GHz Intel ‘Core i5’ (3210M) processor with two independent processor ‘cores’ on a single chip. It has user configurable hard drive, memory, and optional external 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.