nVidia Quadro 4000 2GB GDDR5 PCI-E x16 2.0 Video Card Dell 731Y3 [Quadro 4000] - $169.00 : Professional Multi Monitor Workstations, Graphics Card Experts
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
NVIDIA Quadro RTX 4000 Review A Versatile AI and Professional GPU - Page 2 of 7
WS088AV HP Nvidia Quadro 4000 Video Graphics Card
QUADRO 4000-DELL - Refurbished - DELL NVIDIA QUADRO 4000 GRAPHICS CARD 2GB 256 CUDA CORES MEMORY INTERFACE 256 BIT GDDR5 MEMORY BANDWIDTH 89.6GB/S PCI-E 2.0 X16 COOLING SYSTEM ( 1 ) ONE
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 GDDR5 256-bit PCI Express 2.0 x16 Full Height Video Card with Rear Bracket
NVIDIA's Quadro 4000 for Mac, more affordable speed for the right application by Scott Simmons - ProVideo Coalition
Dell Nvidia Quadro 4000 2GB GDDR5 2x DP + 1 DVI PCI-e Graphics Card | Tech Supply Direct