Why did you lie to your auction description?
Effective Hash Rate 1.4TH/s ± 10%
Power Consumption 0.58 W/GH/s
Here you will not find fools who believe in it.
sorry Tupsu, 2.8 TH/S in the description refers to the fact that 2 miner SP 10 1.4 TH /s,
before accusing someone ask about it if you do not understand 
He's referring to the efficiency, not the fact that there's two units.
At 1TH an SP10 pulls about 800W from the wall. That's about the best you can do with it, and that's closer to .8W/GH, not .58. If you run it at full tilt at 1.4TH you're pulling about 1300W from the wall, which is about .93W/GH.
What you're quoting are best case on chip numbers. That's like saying an S5 does .34W/GH because that's the best they can do with lower voltage not including any of the supporting hardware around it.