You can push up to 29-31 Mh/s by tuning the memory clock. The Radeon RX 580, which we're looking at here in the form of an XFX card (the $249. The key difference between the two though is the RX 580 has a significantly higher power draw than the GTX 1660. 33GHz 12-Core Xeon X5680 with 96GB of 1333MHz DDR3 ECC SDRAM running macOS Mojave (10. The “Zombie Mode” for mining Ethereum on 4GB AMD Radeon RX 470/480 and RX 570/580 GPUs had them brought back from the dead (hence the name) after the DAG size has reached the capacity of their video memory. Mos to provide superior power efficiency and better reliability. com/c/TechCemetery/aboutSIC632 Datasheet - 24 $3,094. Any help would be super appreciated! It took me most of a week just getting this system up and running Catalina from High Sierra. Rx 580 no power For the 480 Gaming X, you don't need to modify anything, since all the work is already done.