Eurocom - We recommend the Nvidia Quadro P5200 with the 128GB DDR4 RAM for maximum performance. But that is not the only GPU available. We have a buffet of cards to choose
For Dell Precision 7730 nVIDIA Quadro P5200 16GB N18E-Q5-A1 Video Card | eBay
HP and NVIDIA Launch VR Backpack Powered by NVIDIA Quadro P5200 GPU | NVIDIA Blog
HP Nvidia Quadro 3000M PCIe x 16 2gb GDDR5 256-Bit Graphics Card (QUADRO 3000M)