Quad 2.5 GHz Two dual-core 2.5GHz PowerPC G5 processors 1.25GHz frontside bus per processor 1MB L2 cache per core 512MB of 533MHz DDR2 SDRAM (PC2-4200) 250GB Serial ATA hard drive 16x SuperDrive (double-layer) Three open PCI-Express expansion slots NVIDIA GeForce 6600 with 256MB GDDR SDRAM - - - - - From: The Apple Store (U.S.) Location: http://store.apple.com/1-800-MY-APPLE/WebObjects/AppleStore.woa/71202/wo/5B4 1robiVXhy2GxLgkK1TaksmcO/4.SLID?nclm=PowerMac&mco=3C9AFF2C - - - - - -- Thanks - RevDave CoolCat at hostalive.com [db-lists]