Hello. Recently I got 2x r9 280x and I don't know what to mine on it. ZCash is dropping and Poloniex is not working. Those cards are 3GB so I don't know if its Etherum suitable. If it is suitable, is ETH+something profittable (ex. Decred, Sia)?
look for whattomine, there is what you want, but with 3gb only of mem you can mine musiccoin, with amd, because amd are not that good at nvidia algo like spreadcoin, or nexus or equihash, and everythign is dropping there is not much to do, hard time for mining now