E5Z76AA - HP NVIDIA Quadro K3100M 4GB DDR5 1 x DisplayPort Video Graphics Card
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 :