Amazon.com: Epic IT Service Quadro K5000 for Mac, 4GB GDDR5 PCI Express Gen 2 x16, DVI-I DL, DisplayPort, Supports Apple Boot Screen and Metal API, Professional Board : Electronics
Just found a Dell XPS 7800 sitting on the curb. GTX 645, i7 4770. : r/DumpsterDiving
Amazon.com: Epic IT Service - Geforce GT 640 for Mac Version, with 1GB GDDR5, PCI Express Gen 3.0, DVI-I DL, HDMI 2.0, DisplayPort 1.2, DirectX 12 (Boot Camp) Light Performance Board - OEM : Electronics
Amazon.com: Epic IT Service - Geforce GT 640 for Mac Version, with 1GB GDDR5, PCI Express Gen 3.0, DVI-I DL, HDMI 2.0, DisplayPort 1.2, DirectX 12 (Boot Camp) Light Performance Board - OEM : Electronics
Nvidia GeForce GTX 645 vs Nvidia Quadro P400
NVIDIA also preparing GeForce GTX 760 TI OEM | VideoCardz.com
Can you use an external video card with a laptop that has integrated graphics? - Quora