you can not mine etheruem with an asic, you need a gpu rig, at least one gpu to mine etheruem, you can buy a cheap second hand 280x for this purpose, all the asic are worthless here with ethereum and decred
And can you tell me is this profitabile? When you take difficulty in consideration.
How much you can earn per day with one card? 280x for example. I have Radeon 7950 with same possibilities.