Refurbished: nVidia Quadro 4000 2GB GDDR5 PCI-E x16 2.0 Graphics Video Card With DVI and DisplayPort Outputs 38XNM Standard Height Workstation Video Card - Newegg.com
High quality Quadro 4000 Q4000 2G DDR5 cards with DVI DP connector CUDA OpenCL for mac pro 2008 2012 sent by DHL/EMS|Computer Cables & Connectors| - AliExpress
nVidia Quadro 4000 2GB Workstation video card V2 Dell 0731Y3 [Quadro 4000] - $169.00 : Professional Multi Monitor Workstations, Graphics Card Experts
Best 2GB Quadro 4000 Dell 38XNM | Refurbished
Dell Nvidia Quadro 4000 2GB GDDR5 2x DP + 1 DVI PCI-e Graphics Card | Tech Supply Direct