Used Nvidia Quadro K1200 4GB GDDR5 Video Graphic Card | eBay
NVIDIA Quadro K1200 4GB GDDR5 PCI-E Mini DisplayPort Professional Graphics Card | eBay
PNY NVIDIA Quadro K1200 - (VCQK1200DVI-PB)
Amazon.com: Epic IT Service – Quadro K1200 4GB GDDR5 with Four Mini Displayports, Both Half and Full Brackets, and 4 x mDP to DP Adapters, 4K Resolution (1 Year Warranty) : Electronics