Amazon.com: Epic IT Service – Quadro K4000 with Two DP Ports, one DVI Port, and Supports Three Monitors, 4K Resolution via DP or HDMI (1 Year Warranty) : Electronics
NVIDIA Quadro K4000 3GB GDDR5 256-bit PCI Express 2.0 x16 Full Height Video Card with Rear Bracket
NVIDIA Quadro K4000 VCQK4000-PB 3GB 192-bit GDDR5 PCI Express 2.0 x16 Full Height Workstation Video Card - Newegg.com