Apple MA631Z/B GDDR3 graphics card

ATI Radeon X1900 XT Graphics Upgrade Kit for Mac Pro ATI Radeon X1900 XT with 512MB of dedicated GDDR3 memory provides an ideal solution for motion graphics, animation, or 3D design and visualization. It offers two dual-link DVI ports that can simultaneously support two 30-inch Apple Cinema HD Displays for an incredibly large widescreen workspace.

Based on the PCI Express architecture, the ATI Radeon X1900 XT fits into the double-wide slot on your Mac Pro or a standard plus one adjacent standard PCI Express slot. The upgrade kit also includes a DVI to VGA connector for easy connection to VGA-based displays.

System Requirements
Mac Pro with available double-wide PCI Express slot or two standard slots.