Amazon.com: New Laptop 8GB MXM Graphics Card P4200 GPU Replacement, Compatible with for Dell Precision M6800 7710 7720 HP ZBook 17 Mobile Workstation, for NVIDIA Quadro P4200 N18E-Q3-A1 GDDR5 Video Board :
NVIDIA Quadro P4200 Mobile Specs | TechPowerUp GPU Database