Amazon.com: Epic IT Service - Quadro P600 2GB GDDR5 with Four Mini Displayports, Both Half and Full Brackets, and 4 x mDP to DP adapters, 4K Resolution (1 Year Warranty) : Electronics
PNY Nvidia Quadro P600 Low Profile Video Card - PCI-Express 3.0 x16 , LP 2 GB GDDR5, 128-bit, 384 CUDA Cores, 4x Mini Display Port Output, With 4x Mini DP to DVI
NVIDIA QUADRO P600 Video Graphics Card 2gb Gddr5 4x Mini DisplayPort for sale online | eBay