Excellent condition without mars or scratches. I have to many computers and need to reduce angst with wife. $275 including cost of mailing USPS.
(From EveryMac.com http://tinyurl.com/y8xu3pva)
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"
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.
The 2012 model remains to this day Apple's last, properly upgradeable Mac Mini .