HP Z820 - Refurbished Workstation | PC Server & Parts
QUADRO 4000-HP - Refurbished - HP NVIDIA QUADRO 4000 GRAPHICS CARD 2GB 256 CUDA CORES MEMORY INTERFACE 384 BIT GDDR5 MEMORY BANDWIDTH 89.6GB/S PCI-E 2.0 X16 COOLING SYSTEM ( 1 ) ONE
NVIDIA announces Quadro K5000 for Mac Pro, brings 4K support, 2x performance over Quadro 4000 | Engadget
Amazon.com: NVIDIA Quadro 4000 for Mac by PNY 2GB GDDR5 PCI Express Gen 2 x16 DVI-I DL, DisplayPort and Stereo OpenGL, DirectX (Boot Camp), CUDA and OpenCL Profesional Graphics Board, VCQ4000MAC-PB :