HP 417206-001 - Video PC board - nVidia Quadro FX 1500M graphics controller with 256 MB of discrete video memory - For nw9440 models Retail
Hewlett-Packard (HP) 671137-001 - 2GB GDDR5 Nvidia Quadro 4000 PCI-E 2.0 Video Graphics Card Sale $690.00 Retail $899.00