PNY Quadro FX 540 128MB PCI Express Video VCQFX540-PCIE-PB B&H
Amazon.com: NVIDIA Quadro FX 4800 for Mac by PNY 1.5GB GDDR3 PCI Express Gen 2 x16 DVI-I DL, DisplayPort and Stereo OpenGL, DirectX (Boot Camp), CUDA, and OpenCL Profesional Graphics Board, VCQFX4800MACX16-PB :
HP nVidia Quadro FX 560 FX560 PCI-E 128MB Video Card 412833-001 Compeve Compenet HP nVidia Quadro FX 560 FX560 PCI-E 128MB Video Card 412833-001 [Quadro FX 560 413108-001] - $125.00 : Professional Multi Monitor Workstations, Graphics Card Experts