Genuine HP Nvidia K3100M Quadro 4GB GDDR5 MXM Video Graphics Card 781703-001 | eBay
Best HP 735689-001 4GB Quadro K3100M | Refurbished
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 :