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Author Topic: help with USB bitmain miner  (Read 188 times)
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November 04, 2017, 08:40:28 AM


i have been away from mining like 2 years but thinking of making a come back :p

Anyways, i got 3x Bitmain u2 (i believe each rated at around 2 GH/sec and they are far more powerful than my 3x GTX 970 cards...

I need advise on a GUI software that supports them as so far i downloaded guiminer but dont seem to find them listed under Devices, also i simply plugged them into my PC (win 8.1) and they seem to have installed the drivers automatically, but not 100% sure,

i need help please to start mining again with them using an easy GUI miner tool...

Thank you,
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November 05, 2017, 03:39:27 PM

Are you really thinking mining bitcoin with USB miner?

Those bitmain antminer have a max 2.2GH/s (overclocked).

3 x 2.2 = 6.6GH/s

Those will be plugged into your computer.

If you have free electricity, you can make around 3$ in 1 YEAR! (depends on how price goes, etc etc)
But i guess you don't have free electricity, so you will get a loss instead of profit.
According to this article: (,  "An average desktop computer has a power usage of between 80 and 250 watts, depending on graphics cards and additional peripherals.".
I mean my PSU has 750W (of course it can deliver 750W, it's not using them all), but i'm probably using around 400W-500W.
But let's follow the article, and even if you are using only 80W and if you pay $0.10 per KW/h, your loss would be around $-67.22.

Does it worth? Nah it doesn't. You're reducing the life of your computer components for nothing.
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