584.55 USD for 5.65 Th?! I'm in right now!!! But I am very afraid that your offer is just a scam. Usual artless scam. Hope I am wrong.

Each time new miner comes, there's the same speech. "Too cheap", "To powerful", "Not possible". For you guys nothing is good. Or it's too expensive or too cheap. Always wrong.
No-no-no-no-no, please don't get me wrong. Your miner
looks really good. We just don't want to lose our money... Sure, faint heart never won fair lady. But too many people here (and not only here) lost their money with such new coming companies...