The basic configuration would be as follows:
* Intel Xeon E5645 6 Core (6 per processor) with 12 MB of "fully shared" L3 cache per processor @ 2.4Ghz per processor x2 = 12 cores total -- also known as a 12 core processor machine or 2x 6 Core machine * Architecture: 64 Bit * 12Gb RAM DDR3 PC3-10600 (1333Mhz) ECC SDRAM (128Gb actual maximum) * 1Tb 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) * ATI Radeon HD 5770 graphics card with 1GB GDDR5 SDRAM; PCI Express 16-lane (1x dual-link DVI; 2x MiniDisplay Port) -- Supports up to 2 displays on the one card * 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 * Built-in 802.11a/b/g/n AirPort Extreme wireless * Bluetooth 2.1 + 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 2629), MD771 (MacPro5,1) * Apple description: Mac Pro (Mid 2012) [codename Westmere] * Introduced: June 2012 * Discontinued: October 2013 ** The below figures may vary and change according to the Geekbench website: -- Geekbench 2 (64 bit): 19887 -- Geekbench 3 (32 bit): 20107 -- Geekbench 3 (64 bit): 22053