A little sarcasm? If LTC was at $4 today and you turned the machine on, you would likely not ROI until July 2017 (LTC baseline).  That assumes the same stability of difficulty we've enjoyed for the last year.  With a flood of new A4s, difficulty will jump up across all coins so it'll be interesting.  I'm assuming the base unit is $1800, $150 shipping, and $200 for a EVGA 1300 PSU with power at $0.10 with an average difficulty increase of 0.1%.  I would call this the BEST case scenario.


http://www.vnbitcoin.org/detailcalculationltc.php?name=LiteCoin_Mining_Rig&startdate=2016-09-20&costperunit=2150&wattperhour=1000&gigahazarate=280000&daytoincrease=3&testlopfirst=1&diffincrement=0.1&bitcoinperdollar=4&electriccostinput=.1&begindifflevel=54344