Is it possible to do a 4 way crossfire with a ATI FirePro V9800

[Mr-Chippy]

Hi,
I am looking into a computer for a friend. He needs a gpu rendering beast. Is it possible to do a 4 way crossfire with a ATI FirePro V9800?

 

[runswindows95]

The FirePro cards only do 2-way Crossfire.

http://www.amd.com/us/PRODUCTS/WORKSTATION/GRAPHICS/CROSSFIRE-PRO/Pages/crossfire-pro.aspx