DO NOT BUY.
That Jupiter is not on the "seller".
He wanted picture with his name on it from the jupiter's owner just for that thread.
He don't have that maschine.
http://prodavalnik.com/asic-knc-jupiter-bitcoin-miner-660-gh-s-i38253511
That is the real owner on the Jupiter and he don't know anything about this seller.
He put that picture with "serotin" name becouse "serotin" said to him that he have a buyer and he need that picture.
BEWARE.