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Author Topic: how many asic must i buy ?  (Read 175 times)
Marzieh
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November 07, 2017, 07:20:13 AM
 #1

please help me . I want to build a farm . and I selected S9 .
But i want a calculation . that if i want a bT . how much time is needed with one s9 ?
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mocacinno
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November 07, 2017, 07:22:45 AM
 #2

 
please help me . I want to build a farm . and I selected S9 .
But i want a calculation . that if i want a bT . how much time is needed with one s9 ?

There is no difference revenue and power-consumption wise.
1 S9 will hash at 14 Th/s while having a power draw of 1375W
2 S9's will hash at 2 * 14 Th/s while having a power draw of 2 * 1375W
etc.

The only difference is that when you buy them in bulk, you might get bulk pricing, save on shipping and handling, maybe save some custom duties, buy more efficient cooling, racks,... It's more efficient to hire an electrician to review your wiring for 100 antminers, than hiring the same guy to look at your circuits for 5 antminers. It'll take roughly the same amount of time, but his hourly rate will be divided over 100 machines instead of 5.

For all other calculations, you need to tell us your electricity rate. Without  this, there is no way to estimate your ROI.

Marzieh
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November 07, 2017, 07:51:18 AM
 #3

Thank you . but I want some calculation that can evaluate .
I know that with S9 how much i can mine daily ? and How can i  calculate it ?

Electricity rate (USD/kWh)=0.15

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November 07, 2017, 08:06:29 AM
 #4

Thank you . but I want some calculation that can evaluate .
I know that with S9 how much i can mine daily ? and How can i  calculate it ?

Electricity rate (USD/kWh)=0.15



Sorry to tell you, but with that electricity rate, it'll be close to impossible to mine BTC profitably.
If you want to find out for yourself, you can use this site:
https://www.coinwarz.com/calculators/bitcoin-mining-calculator/?h=14000&p=1375&pc=0.15&pf=1.00&d=1452839779145.92000000&r=12.50000000&er=7420.00000000&hc=0.00

At this moment, it might look like a good deal to mine with your power cost, but you have to realise the BTC price can easily drop 20-30% in a couple of weeks, while the diff will most probably continue to rise.

My personal advice would be to look into altcoin mining.. I've heared it's profitable, even with higher power costs.

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