Re: Bitmain's Released Antminer S9, World's First 16nm Miner Ready to Order
I have 51 Running. 4 have one bad board. They have run around 3 months.
Sorry to hear 
This is a good example and closer to the truth.
7.8% failure rate in this case.
Isn't it actually 2.6% (4 of 153 boards total)?