Product Family: iMac Screen Size: 27 inch Operating System: Mac OS X 10.6, Snow Leopard Primary Drive: DVD+/-RW/CD-RW Processor Type: Xeon Quad Core Processor Speed (per Core): 2.7 GHz Processor Configuration: Quad Core Memory (RAM): 8 GB Hard Drive Capacity: 1,000 GB Apple iMac 2.66 GHz Quad Core i5 Intel Processor, with 1 TB Hard Drive, and 8 GB of Ram This computer comes with an Apple Keyboard, Apple Cordless Magic Mouse, Comes with Snow Leopard, and iLife Bundled Software, all in the original box.