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Mac Pro Westmere Ordering Tips: What to Get and What to Skip
Save yourself a bundle, and get a better machine.
You can also get an MPG Pro Workstation for a pre-configured and pre-tested Beast.
Solid state drive
See this page.
You do not need a hardware RAID card (unless you really need it—and you know who you are if you do.
See this Hits and Misses page for details on video cards.
Most users will find the base video card incredibly fast. Very few users benefit from the “faster” card.