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
PNY VCQK5000-PB NVIDIA Quadro K5000 4GB256-bit PCI Express 3.0 x 16 HDCP Ready Workstation video card - Newegg.com
HP NVIDIA Quadro K5000 Graphics Video Card 4GB GDDR5 701980-001 699126-001 – Garland Computers
Amazon.com: NVIDIA Quadro K5000 for MAC 4GB GDDR5 Graphics card (PNY Part #: VCQK5000MAC-PB) : Electronics
USED Nvidia Quadro K5000 4GB GDDR5 256-bit PCI Express 2.0 x16 Full Height Video Card with Rear Bracket - Walmart.com