iMac(Apple) Apple Mac iMac 21.5-inch, Late 2015 16GB,iMac(Apple) Apple Mac iMac 21.5-inch, Late 2015 16GB,Amazon.com: Late-2015 Apple iMac with 1.6GHz dual-core Intel,Amazon.com: Late-2015 Apple iMac with 1.6GHz dual-core Intel,iMac (21,5 polegadas, Final de 2015) - Especificações