Next-generation Intel architecture
Nearly 2x faster, the Mac Pro is now powered by all new Quad-Core Intel Xeon "Nehalem" processors. These processors delover up to 2.4x greater memory bandwidth and new Turbo Boost technology speeds up the processor when all cores aren't in use.
Faster, more flexible graphics
The Mac Pro now features the fastest graphics ever on a Mac. It features the NVIDIA GeForce GT 120 with 512MB of GDDR3 memory which is up to 2.9x faster or for up to 2x more faster, upgrade to the ATI Radeon HD 4870.
Flexible display options
Mac Pros have a Mini Display Port and a dual-link DVI port on each graphics card and room for up to four cards.
Redesigned interior
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.