- 6THash @ 900W @ $888
- 0.15J/GHash or 150W/THash/s
- $0.15/GHash/s or  .21BTC/THash/s

"Aluminum PCB" -> Presumably a MCPCB

72 A3212 Chips per miner -> 83GHash/s per chip -> Each chip is equivalent to an up-clocked Avalon 1.