I picked one up just to play with it.

MSI Aero ITX Radeon RX550 4GB OC edition  (there is NO 6-pin power connector on the card - just FYI)

I have not tried anything with the bios yet.

Here are some screenshots of what its doing:

https://ibb.co/eCnoKR
https://ibb.co/jLe2eR
https://ibb.co/cHtHDm

Win 10 Pro 64bit
Claymore's Dual Ethereum v10.6  (Ethereum only)