725328-001 - Refurbished - HP NVIDIA QUADRO K3100M KEPLER GPU 4GB 768 CUDA CORES MEMORY INTERFACE 256 BIT GDDR5 MEMORY BANDWIDTH 120.4GB/S MOBILE PCI-EXPRESS MODULE ( MXM V3.1 285 PIN ) PCI-E
NVIDIA Quadro K3100M 4GB GDDR5 MXM Mobile Video Graphics Card N15E-Q1-A2 | eBay
NVIDIA QUADRO K3100M W/HEATSINK (716552-001) - Avanti Global Resources
update 1: it detects that I have an Nvidia quadro k3100m (on a dell precision m6800) but the graphics don't work, the dock isn't even transparent : r/hackintosh