Hi there, I'm looking to buy a used Mac mini and want to be sure the machine I buy is quad core. I'm wondering if all the 2.3 and 2.6 GHz i7 Late 2012 Mac mini (A1347 6,2) computers contain quad core processors or if some are dual core as well. I checked on Mactracker app, and according to its somewhat incomplete data, the available processors for this model were i5-3210M (2.5GHz, dual core), i7-3615QM (2.3GHz quad core) and i7-3720QM (2.6GHz quad core). I know there is also a 2.0GHz i7 version which isn't listed. Were there any dual core i7s available for this model at the time or were all the i7s quad core? http://ark.intel.com/products/67355...ssor-3M-Cache-up-to-3_10-GHz-rPGA?wapkw=3210m http://ark.intel.com/products/64900/Intel-Core-i7-3615QM-Processor-6M-Cache-up-to-3_30-GHz?q=3615qm http://ark.intel.com/products/64891...cessor-(6M-Cache-up-to-3_60-GHz)?wapkw=3720qm Many thanks!