Oh my goodness! Please do not listen to this guy.
Buy Bitmain's newest release,
it has the lowest electricity consumption of all their products .
.
.
Provided you do not spend more than $0.10/kwh
Stop lying. For you in red.ANTMINER R4
Hash Rate 8.6TH/s (Variation of ±5% is expected)
Power Consumption 845W +9% at the wall (with Bitmain’s APW5 PSU, 93% efficiency, 25°C ambient temp)
Power
Efficiency 0.1 J/GH +9% at the wall (with Bitmain’s APW5 PSU, 93% efficiency, 25°C ambient temp)
Noise level 52dB (at an ambient temperature of 35°C)
Chip quantity per unit 126 x BM1387
Rated Voltage 11.60 ~13.00V
Product size 515mm (L) x 100mm (W) x 222mm (H)
Package size 610mm (L) x 215mm (W) x 340mm (H)
Operating Temperature 0°C to 40°C
Network Connection Ethernet
Default Frequency 600MHz
ANTMINER S9-B13, 12.93 TH/s
S9 Specifications:
1. Hash Rate: 12.93TH/s ±5%
2. Power Consumption: 1275W + 7% (at the wall, with APW3 ,93% efficiency, 25C ambient temp)
3. Power
Efficiency: 0.098 J/GH + 7%(at the wall, with APW3 93% efficiency, 25°C ambient temp)
4. Rated Voltage: 11.60 ~13.00V
5. Chip quantity per unit: 189x BM1387
6. Dimensions: 350mm(L)*135mm(W)*158mm(H)
7. Cooling: 2x 12038 fan
8. Operating Temperature: 0 °C to 40 °C
9. Network Connection: Ethernet
10. Default Frequency: 600M