Is your Mac able to take advantage of OS X El Capitan's Metal?
official Mojave Mac Pro Metal GPU card list finally | MacRumors Forums
Mojave for Quadro 4000? | tonymacx86.com
Upgrading the GPU in your old Mac Pro! Is it worth it? | iMore
Does your Mac support Apple's new Metal API? : r/apple
Does your Mac support Metal (Apples new 3D API)? | Cheetah3D User Forum
Apple MacOS Arm64 will only support Apple Metal GPUs - Graphics - News - HEXUS.net
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 : Video Games