The basic configuration would be as follows:
* Intel Xeon X5650 6 Core (6 per processor) with 12 MB of "fully shared" L3 cache per processor @ 2.66Ghz per processor --> Architecture is a true 64-bit machine, and turbo boost to 3.06Ghz! * 4Gb RAM DDR3 PC3-10600 (1333Mhz) FB-DIMM (48Gb maximum) * 640Gb 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 GT 120 graphics card with 512MB DDR SDRAM; PCI Express 16-lane (1x dual-link DVI; 1x MiniDisplay Port) * 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 * Bluetooth 2.0 + EDR card * 2x 4-lane PCIe 2.0 slots; 2x 16-lane PCIe 2.0 slots (PCIe = PCI Express) * 4x FireWire 800 ports (up to 800 Mbps) * 5x USB 2.0 ports (up to 480 Mbps) * Model ID: A1289 (EMC 2314), BTO/Custom (MacPro5,1 firmware update) * Apple description: Mac Pro (Early 2009) [codename Nehalem (Mac Pro) and Gulftown (processor)] * Introduced: March 2009 * Discontinued: --- This is a BTO or Build To Order computer and has no discontinued date