My rig stats for your reference
8x Sapphire Nitro+ RX580 8GB (5 Micron & 3 Hynix)
23Aug AMD blockchain driver
Claymore dual miner V10.0
MSI AB beta 16
Core 1220Mhz, Mem 2175Mhz, core volt 950mv, men volt 1000mv

For dual mining: total ETH 244Mh/s + SC 4850Mh/s with power draw from wall 1500W

For ETH only mode: total ETH 245Mh/s with power draw from wall 1200W