Apple Power Mac G5 Desktop M9454LL/A (Dual 1.8-GHz Power PC G5, 256 MB RAM, 80 GB Hard Drive, SuperDrive) (Discontinued by Manufacturer) Monitor Not Included L2 Cache - 512K per processor FSB (Frontside Bus) - 900MHz per processor 256MB of PC3200 400MHz DDR SDRAM (upgradeable to 4GB) 4 RAM Slots (3 open)