Apple iMac 24" A1200 MA456LL, Intel Core 2 Duo 2.16GHz, 4GB DDR2, 500GB HD, GeForce 7300GT, OSX 10.7.5 (Discontinued) Intel Core 2 Duo T7400 2.16GHz Dual-Core CPU 4GB (2 x 2GB) DD2 PC2-5300 Memory Kit 500GB Hard Drive GeForce 7300 GT 128MB Mac OS X 10.7.5 Lion