The basic configuration would be as follows:
* Intel Xeon 5160 Quad Core (2 per processor) with 4 MB of L2 cache per processor (8 MB total) @ 3.0Ghz per processor x2 = 4 cores total * 2Gb RAM DDR2 PC2-5300 (667Mhz) FB-DIMM (32Gb maximum) * 250Gb Serial-ATA hard drive (expansion bays up to 4 hard drives) * Tray-loading Dual Layer SuperDrive optical drive -- reads/writes/rewrites CDs and DVDs (expansion bays up to 2 optical drives) * NVIDIA GeForce 7300 GT graphics card with 256MB DDR SDRAM; PCI Express 16-lane (1x DVI and 1x dual-link DVI) * Audio in - 1x 3.5mm analog input jack; 1x optical S/PDIF (Toslink) input * Audio out - 2x 3.5mm analog output jacks; 1x optical S/PDIF (Toslink) output; 1x built-in speaker * 2x built-in 10/100/1000BASE-T Gigabit Ethernet * Optional 802.11a/b/g/n AirPort Extreme wireless * Optional Bluetooth 2.0 + EDR card * 2x 4-lane PCIe 1.1 slots; 2x 16-lane PCIe 2.0 slots (PCIe = PCI Express) * 2x FireWire 400 ports (up to 400 Mbps) * 2x FireWire 800 port (up to 800 Mbps) * 5x USB 2.0 ports (up to 480 Mbps) * Apple model: A1186, BTO * Apple description: Mac Pro [codename Woodcrest] * Introduced: August 2006 * Discontinued: January 2008