Used - Tested - HP Nvidia Quadro 2000 1GB GDDR5 GPU - PCI-e - 612952-002 | eBay
671136-001 HP Quadro 2000 PCI-E Graphics Card
Amazon.com: NVIDIA Quadro 2000 by PNY 1GB GDDR5 PCI Express Gen 2 x16 DVI-I DL and Dual DisplayPort OpenGL, Direct X, CUDA and OpenCL Profesional Graphics Board, VCQ2000-PB : Electronics