  Quad-core or 8-core, all Xeon Every Mac Pro packs the power of two multicore Intel Xeon processors. Choose two 3.0GHz quad-core �Clovertown� processors � the fastest Quad-Core Intel Xeon available � for groundbreaking, 8-core power. Or configure a quad-core Mac Pro with a pair of dual-core �Woodcrest� processors at 2.0GHz, 2.66GHz, or 3.0GHz.  Up to 3TB storage Install up to four 750GB hard drives in four independent, 3Gb-per-second Serial ATA drive bays using a cable-free, direct-attach system.  Ready to RAID For enhanced data protection and performance up to 304MB/s,2 choose the optional Mac Pro RAID card offering hardware RAID levels 0, 1, 5, and 0+1.  High-performance graphics Every Mac Pro graphics card supports dual displays and at least one 30-inch display. For added performance, you can choose upgraded, workstation-class graphics cards that can also power two 30-inch Apple Cinema HD Displays. PCI Express expansionInstall additional PCI Express cards in the three full-length PCI Express expansion slots, which feature a tool-less bracket for easy installation and removal of cards.2  Up to 16GB RAMAdd up to 16GB of 667MHz DDR2 ECC fully buffered memory � a memory architecture that�s up to 256 bits wide and allows for greater memory capacity, faster speeds, and better reliability.  |