Amazon.com: HP 616078-001 NVIDIA Quadro 6000 PCIe graphics card - With 6.0GB GDDR5 GPU memory, max resolution 2560x1600, max power consumption 204Watt, one Dual Link DVI-I and two DisplayPorts connections : Electronics
652376-001 HP Nvidia Quadro 6000 6GB GDDR5 384-Bit PCI-Express 2.0 X16 Video Graphics