-Mac Pro 2.66 GHz Dual-Core Intel Xeon
-Ram 3 GB 667MHz DDR2 ECC fully buffered DIMM
-HD 250 GB
-16x SuperDrive with double-layer support (DVD+R DL/DVD±RW/CD-RW)
-PCI Express graphics Card NVIDIA GeForce 7300 GT 256 MB
-Dual-display support for extended desktop and video mirroring modes
-Two independent 10/100/1000BASE-T Ethernet (RJ-45) interfaces
-Four independent 3Gb/s Serial ATA cable-free, direct-attach hard drive bays
-Two FireWire 800 ports (one on front panel, one on back panel)
-Two FireWire 400 ports (one on front panel, one on back panel)
-Five USB 2.0 ports (two on front panel, three on back panel)
-Two USB 1.1 ports on included keyboard
-Front-panel headphone minijack and speaker
-Optical digital audio input and output TOSLINK ports
-Analog stereo line-level input and output minijacks
-Three open full-length PCI Express expansion slots
-Apple Keyboard
-Apple Mighty Mouse

-Mac OS 10.7.4