Apple iMac 27" Desktop with Retina 5K display - 4.0GHz Intelquad-core Intel Core i7, 1TB PCIe-based Flash Storage, 16GB 1867MHz DDR3 SDRAM, R9 M395 2GB GDDR5, OS X El Capitan, (NEWEST VERSION) 4.0GHz quad-core Intel Core i7, Turbo Boost up to 4.2GHz 16GB 1876MHz DDR3 SDRAM 1TB PCIe-based Flash Storage AMD Radeon R9 M395 with 2GB video memory Magic Mouse 2, Magic Keyboard (English) & User's Guide