Mac Pro 8Core. 8 cores standard Up to 3.2 GHz. The new Mac Pro is the fastest most powerful Mac ever. Start building your Mac Pro with our suggested configuration Two 2.8GHz QuadCore Intel Xeon Harpertown processors. 2GB memory 800MHz DDR2 fullybuffered DIMM ECC. ATI Radeon HD 2600 XT graphics with 256MB memory. 320GB Serial ATA 3Gb/s 7200rpm hard drive. 16x doublelayer SuperDrive.