The all-new desktop computers feature faster processors and graphics, two Thunderbolt 2 ports and up to 2TB of Fusion Drive storage for stock configurations. The 4K 21.5-inch iMac has a 3.1GHz Core i7 Broadwell processor and integrated Intel Iris Pro Graphics 6200, while the 5K 27-inch iMacs have 3.2GHz to 3.3GHz Core i5 and i7 Skylake processors and dedicated AMD Radeon R9 GPUs.
Pricing
27-inch iMac: $1,799, $1,999 and $2,299
21.5-inch iMac: $1,099, $1,299 and $1,499.
Magic Keyboard: $99
Magic Mouse 2: $79
Magic Trackpad: $129
http://www.macrumors.com/2015/10/13/apple-launches-new-imacs-magic-accessories/
Pricing
27-inch iMac: $1,799, $1,999 and $2,299
21.5-inch iMac: $1,099, $1,299 and $1,499.
Magic Keyboard: $99
Magic Mouse 2: $79
Magic Trackpad: $129
http://www.macrumors.com/2015/10/13/apple-launches-new-imacs-magic-accessories/