Success RX 580 8GB Card Working in Mac Pro 3,1

Was having sse4.1 issues .. Thanks to @Dosdude1 the patch is in Mojave. Was not ready to go up to Mojave but was the easiest way to do it.
So in looking for upgrades for the Mac Pro 3,1 do your due diligence on finding compatible upgrades.  I did not.. there for ID10T errors..

Subscribe to our youtube channel so you don't miss the how it was done SUBSCRIBE HERE