HP NVIDIA QUADRO K5000 GRAPHICS CARD 4GB 1536 CUDA VIDEO CARD GPU C2J95AT | eBay
Quadro K5000 for Mac, 4GB GDDR5 PCI Express Gen 2 x16, DVI-I DL, DisplayPort, DirectX (Boot Camp), CUDA and OpenCL Profesional Board - Epic IT Service - Newegg.com
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NVIDIA Quadro K5000 4GB GDDR5 PCIe 2.0 x16- Apple Mac Pro 3,1 4,1 5,1 Compatible