4 ms·
Canaan's 28nm chip (Avalon A3218 in the Avalon 6) does a lot better than what you quoted: 0.3 J/GH at the wall. As to electricity costs, I was personally runni
by mrb 10y ago
Canaan's 28nm chip (Avalon A3218 in the Avalon 6) does a lot better than what you quoted: 0.3 J/GH at the wall.
As to electricity costs, I was personally running a small 10 kW GPU farm at $.02/kWh back in 2011 in Douglas County, Washington where most Public Utility Districts are basically non-profits due to historical reasons in the region. Most smart large-scale miners are paying $0.05/kWh or less. If not, they are dumb and go bankrupt like KnCMiner did 2 weeks ago.
So 1 TH/s of Avalon 6 gear costs $0.36/day, however at $0.05/kWh it mines $1.74/day right now (or $1.00/day 2 weeks ago when BTC was around $400). Certainly profitable.
- vessenes 10y agoThanks for this context also. There are some capex issues with scaling up that farm, and I bet you aren't costing your own time in there. But, I hear you that it's possible, and it's interesting to hear that $.05 fully loaded is possible outside of government subsidy situations.
- mrb 10y agoNo, I did not count my labor. It is true that capex and opex of mining gear is well-known and can be calculated so as to be profitable in and of itself. However knowing how to manage all the other costs (labor + capex on the DC itself) is what distinguish good mining companies from bad ones. IMHO these areas is where KnCMiner made the biggest mistakes. Just compare a picture of a KnCMiner DC vs. a Chinese DC and you will see KnCMiner did not try hard to build cheap DCs...
- vessenes 10y agoWe ran two different ones; one with engineered fire suppression and custom airflow, and one with a bunch of fans from the equivalent of Walmart. The walmart guys ended up with a lot more of our business. :)