Apple Mac Pro Desktop (Two 3.2 GHz Quad Core Intel Xeon Processors, 2 GB RAM, 320 GB Hard Drive, 16x SuperDrive) (Discontinued by Manufacturer) Fastest Mac ever with two of Intel's new 45 nanometer Quad-Core Xeon 5400 processors running at 3.2 GHz 2 GB RAM (expandable up to 32 GB), 320 GB hard drive (expandable to 4 TB), 16x Double-Layer SuperDrive ATI Radeon HD 2600 XT with 256MB of GDDR3 memory and two dual-link DVI ports; Bluetooth 2.0 + Enhanced Data Rate (EDR) Peripheral connections: 5 USB (with 2 more on keyboard), 2 FireWire 800, 2 FireWire 400, 2 Gigabit Ethernet, optical digital audio input and output Pre-installed with Mac OS X v10.5 Leopard, and iLife '08; includes Apple Keyboard and Mighty Mouse