Apple Mac Pro 2.66GHz Tower PC

2x Intel Xeon Quad-Core (2.66GHz, 8MB L3), 3GB (3 x 1GB) DDR3 SDRAM, 640GB SATA 7200 rpm, SuperDrive DVD±RW DL, 2x NVIDIA GeForce GT 120 512MB GDDR3, Bluetooth 2.1 + EDR, Mac OS X v10.5 Leopard Next-generation Intel architecture.
With four cores on one die and an integrated memory controller, the new Quad-Core Intel Xeon “Nehalem” processor boosts performance nearly 2x.

Redesigned interior. Easier expansion.
A completely new interior makes it even easier to add up to 32GB of memory, four PCI Express expansion cards and up to 4TB of hard drive storage.

Faster, more flexible graphics.
Powerful AMD and NVIDIA graphics cards provide the fastest-ever Mac graphics, while a new Mini DisplayPort gives you more display options.

The most powerful operating system.
Mac OS X Leopard is optimised to take full advantage of the advanced architecture and multicore processors in the Mac Pro.