Beautiful old classic with Power PC G4 (2.1) - 800 Mhz. processor, 768 MB SDRAM memory, Pioneer DVD-RW DVR - 104, Maxtor 4D060 H3 (60 GIG) Hard drive, 15" monitor, Dash2 modem, Pro keyboard and Pro Mouse with Apple Pro "eyeball" speakers. Has both Mac OSX (Version 10.3.9 Darwin) and Mac 0S9 (9.2.2) operating systems. Also comes with a new Airport Extreme card that has not been installed.