Amazon.com: HP 671138-001 NVIDIA Quadro 5000 PCIe graphics card - With 2.5GB GDDR5 GPU memory, max resolution 2560x1600, one Dual Link DVI-I and two DisplayPorts : Electronics
NVIDIA Quadro 5000 2.5GB GDDR5 320-bit PCI Express 2.0 x16 Full Height Video Card with Rear Bracket
HP 608532-001 - 2.5GB PCI-E Nvidia Quadro 5000 Video Card