Dual 2Ghz G5 64/32 bit OSX 10.3.3 2GB of RAM 20" Cinema Display with ADC(DVI) Conector 19" Dell VGA for 2nd through DVI to VGA adapter Radeon 9800 Pro Mac edition 160 GB SATA Drive Firewire 400 Firewire 800 (good for those external drives) USB 2.0 Bluetooth 10/100/1000T LAN connector Optical ins and outs with 5.1 Surround Logitech speakers