It should gracefully degrade to gen3 functionality (and performance).
I know a 980 PRO works, as that's what I use for the primary drive for development across all units, so the 990 should work as well.
It should gracefully degrade to gen3 functionality (and performance).
I know a 980 PRO works, as that's what I use for the primary drive for development across all units, so the 990 should work as well.