Hi R0land, I bought one of this to test 11268-03-20G (Sapphire Pulse Radeon RX550 2GB)
Unfortunately it came with Elpida memory: max hash 290-300 on CryptoNight with sgminer 5.5.5-gm stock bios
Do you know if it worth to mod bios with Elpida mem?
I don't know how to have RX 550 cards with Micron mem. It seems they are random...
With this card you can reach 410 h/s @18W(GPU-Z).
With the 4GB Micron Version 450 h/s @23W(GPU-Z).
Playing a bit with rawintensity under sgminer I could hit and pass 400h/s stock volt, stock core clock, mem @1875 and card essentially cold: very satisfied!
Thank you!