Apple iMac ME087ID/A
2.9GHz quad-core Intel Core i5
Turbo Boost up to 3.6GHz
8GB (two 4GB) memory
1TB hard drive
NVIDIA GeForce GT 750M with 1GB video memory
Apple iMac ME089ID/A
3.4GHz quad-core Intel Core i5
Turbo Boost up to 3.8GHz
8GB (two 4GB) memory
1TB hard drive
NVIDIA GeForce GTX 775M with 2GB video memory
Apple iMac MF883ID/A
Intel Core i5 1.4GHz, 8GB DDR3, 500GB HDD, GbE NIC, WiFi, VGA Intel HD Graphics 5000, Bluetooth, Camera, 21.5" LED Display, Mac OS X Mavericks