Antminer S9 Review: Profitable to Buy? (2019 Review)
The cuttingedge manufacturing process is what makes the S9 the most electricallyefficient mining device to date. It uses a mere Joules per Gigash, making it roughly times more efficient than the Antminer S7. The total power consumption of the device works out to around 1350 watts, although this figure is subject to about 7% of variance.