Apple iMac G5 PowerPC 2.0GHz 512MB 250GB DVD&plusmn;RW DL Radeon 9600 20" AirPort OS X w/Bluetooth Apple iMac G5 PowerPC G5 2.0 GHz All-in-One System General Features: Mac OS X 10.4 pre-installed PowerPC G5 2.0 GHz processor 667 MHz Bus Speed, 512 KB L2 cache 512 MB DDR SDRAM (2 GB maximum supported) 250 GB hard drive Slot-loading 8x DVD RW DL SuperDrive ATI Radeon 9600 graphics with 128 MB of DDR SDRAM Integrated audio with built-in speakers 56K V.92 modem