Here is what I’d suggest based on overall user feedback:
See: AMD Graphics Card Installation and/or Compatibility - #10 by Lrrr
- RX 460 - known issue with driver
- RX 470 - SUGGESTED by driver developer. Unknown status.
- RX 480 - SUGGESTED by driver developer. Unknown status.
- RX 540 - Unknown status.
- RX 550 - seems to work with Haiku. SUGGESTED by a user.
- RX 560 - known issue with driver
- RX 570 - known issue with driver
- RX 580 - known issue with driver
- RX 590 - not listed in driver
