Amazon.com: Epic IT Service - Quadro 4000 for Mac, for Apple mac pro, 2GB GDDR5 PCI Express Gen 2 x16, DVI-I DL, DisplayPort, CUDA and OpenCL Profesional Board (Attn: Legacy Model) : Electronics
Best Dell 6WTYT 2GB Quadro 4000 | Refurbished
So I just frankensteined an old Quadro 4000 : r/nvidia
AMD V7900 and NVIDIA Quadro 4000 Head-to-Head in CATIA (CATbench benchmark) - YouTube