Amazon.com: Valley Of The Sun for NVIDIA Quadro K3100M GDDR5 4GB Graphics Video Card, for HP ZBook 17 G3 G4 Mobile Workstation Laptop PC, N15E-Q1-A2 MXM 3.0 VGA Board Replacement Parts :
735689-001 HP Nvidia Quadro K3100M N15E-Q1 4GB GDDR5 MXM PCI-Express 3.0 Video Graphics Card