Price2.2BTC/Unit, Shipping included.
We don't believe difficulty will jump like rocket as before. When GPU is introduced, the edge compared with CPU is
hundreds of times. When FPGA is introduced, as the miners are hard to decide between high CPEX(capital expenditure) vs. electricity expenses, so the difficulty is in stagnation, as FPGA is no clear advantage compared with GPU. The first generation of ASIC mining rigs has nearly
50x~100x of better efficiency than FPGA/GPU miners in both CPEX and electricity expenses, so the difficulty growth is quite fast, but less than GPU introducing time. In the future, different generation of ASIC chips only has
5x~10x of efficiency difference. So we don't believe the exponential growth assumption that the difficulty will increase like crazy. If we use exponential formulas to forecast the difficulty, we think we should conservatively assume it, which should not be higher than the average number in the recent difficulty adjustment cycles.
The first batch of Antminer buyer is going to ROI in a day when I write this postWhen Bitmain first introduce the miners on the market, we sell on 2013/11/23 a 180GH/s ANTMINER at
4.75 BTC. some people fear the increasing of difficulty, while some other community members bought it.
What if these miners started to mine on 2013/11/25, how many coins has the S1 mined, assuming not overclocked, 0.10$/KWH, 836USD/BTC?
The number is 4.697BTC, electricity bill deducted.
The miner who bought S1 on 2013/11/23 @4.75BTC per unit needs only another day to enjoy the ROI when we write this post, without overclocking.Now according to our model, which has been proved accurate or conservative in the past,
we believe the 2.2BTC is profitable price for the miners, and a fair price to distribute the future mining revenue between the Bitmain and the mining community. Will Chinese New Year influence the work of UPS/DHL in China?It will still be one week before CNY when we end the shipping. The CNY is under the control of our risk management. However, the CNY will influence the production in China and Taiwan, where lots of ASIC chips packaged, miners produced and PSU produced.
Attachment: Difficulty History
source: http://blockexplorer.com/q/nethash/2016
Reminder: Bitmain is not responsible for any financial advise.