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
NVIDIA Quadro 6000 6GB DDR5 VCQ6000-PB Professional GPU Video Card | eBay
PNY Quadro 6000, (6144) (6 GB) PCI Express Video Card for sale online | eBay
WS097AA - Used - HP NVIDIA QUADRO 6000 GRAPHICS CARD 6GB 448 CUDA CORES MEMORY INTERFACE 384 BIT GDDR5 MEMORY BANDWIDTH 144GB/S PCI-E 2.0 X 16 ( 1 ) ONE DUAL LINK