At the moment you can use Claymore's miner:
Asus RX480 4GB ------> 275-280 H/s.
See this thread: https://bitcointalk.org/index.php?topic=1670733.13340
I'm confused on the hashrates, so on cryptobroker pool i make around 410 sol/s but on Supernova pool I make 348,000 sol/s... I was wondering if thats decent and how much I should seeing if I built a comp with 8 RX480's on it. I currently have an R9 sapphire 290x tri-x. Thanks