2009 Mac Pro video card upgrade | MacRumors Forums
Radeon™ RX VEGA 56 8G Key Features | Graphics Card - GIGABYTE Global
I see a lot of people complaining about how Vega still isn't available, and how the prices have not come down like other cards have. This benchmark by hardware.info gives a hint
HIS Radeon RX Vega 56 AIR Black 8GB < Radeon RX Vega 56 series < Desktop graphics < Products | HIS Graphic Cards
One Power Hungry GPU: AMD Radeon Vega 56 Revisited in 2020 | TechSpot