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 :
744354-001 - Refurbished - HP NVIDIA QUADRO K3100M KEPLER GPU 4GB 768 CUDA PARALLEL PROCESSOR CORES MEMORY INTERFACE 256 BIT GDDR5 MEMORY BANDWIDTH 102.5GB/S MOBILE PCI-EXPRESS MODULE MXM MPC 75W KEPLER GRAPHICS