Dual 2.7 GHz PowerPC G5 with 1GHz frontside
bus/processor, 512K L2 cache/processor and 512MB DDR400 SDRAM (expandable to 4GB SDRAM), 250GB Serial ATA 7200rpm Hard Drive, 16x SuperDrive double-layer (DVD+R DL/DVDRW/CD-RW), Three PCI Slots, ATI Radeon 9650 w/256MB DDR SDRAM, Apple Keyboard & Apple Mouse, Mac OS X.