iMac (Retina 5K, 27-inch, Mid 2015) - 技術仕様 - Apple サポート (日本),iMac (Retina 5K, 27 Zoll, Ende 2015) Handbücher und Downloads - Apple Support (DE),Apple 27,Specifications and performance - Apple iMac with 5K Retina display (27-inch, late 2015) review - Page 2 | TechRadar,Apple:iMac (Retina 5K, 27-inch, Late 2015) 製品紹介