Apple iMac MB398LL/A Aluminum Core 2 Duo E8435 3.06GHz 4GB RAM 500GB HD DVD&plusmn;RW DL GeForce 8800 GS 24" AirPort OS X w/Bluetooth 3.06 GHz Intel Core 2 Duo Processor with 6MB L2 Cache 4GB 800MHz DDR2 SDRAM 500 GB Hard Drive, DVD SuperDrive 24" LED-backlit display, NVIDIA GeForce 8800 GS graphics processor with 512 MB of GDDR3 video memory. Mac OS X 10.5 Leopard or higher