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  Reply # 833213 9-Jun-2013 20:24
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freitasm: If you don't have those then you still have to buy. I am thinking from the perspective of someone who has nothing and want to start. The return may not be enough if you have to buy something. But if you invest in four or five of those and run of a USB Hub like the one you linked before then scale kicks in and it starts being a good proposition.


Your initial objection was badly founded and there's no point trying to defend it. The population on GZ isn't typical and while not everyone would have SOME USB equipped 24*7 device, MANY people on here would.

Personally I have 6.

If this was knittersweekly.co.nz then your objection may make a bit more sense.

Cheers - N

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  Reply # 833256 9-Jun-2013 21:31
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You have the impression (like many others) that because the site name is "geekzone" then EVERYONE is a geek. Seriously, the demographics show otherwise.

I run the site for example and don't have many USB ports available around. A laptop with two USB ports (one for external storage and one for keyboard/mouse), a HTPC with a couple of USB ports (remote control, camera for Skype)... The NAS USB ports are being used for UPS management and for external backup storage.

I did try mining for bitcoins before using GPUs. The thing gets hot pretty quickly, requires some cooling so fans keep running constantly, which can be annoying and the few 0.01s a day didn't make feel interested in investing in that. The USB idea is a lot better.

If someone has just one of these and run it successfully then I'd like to know it. As I said, my impression is that a few of those together would scale nicely but just one might not be enough to justify investing.






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  Reply # 833341 10-Jun-2013 08:13
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If someone has just one of these and run it successfully then I'd like to know it. As I said, my impression is that a few of those together would scale nicely but just one might not be enough to justify investing.


Google the device. People do run them successfully everywhere.
What do you even want to know? I've tried to teach you how to run these at low power using low power devices, but just because you don't have enough USB ports available to you you respond with more  arguments.

I'm not sure what your point is.

I'm sorry you didn't have any success mining with your nVidia card... ;P



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  Reply # 833351 10-Jun-2013 08:48
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Thanks, I followed your link on how to run, that's been clear from the start, and I already said it. By "successfuly" I don't mean run and mine bitcoins. That is clear the device does. I meant run, mine bitcoins and do it with a good return.

My only question (and I already said it three times now) is at what point it is viable as a Bitcoin mining device in terms of return of investment. One is enough? If the calculations pointed before are correct, then it's a one year return of investment. Is it better than a GPU in terms of cost/return? You and others seem to indicate that considering energy usage it is effective but is it better and cheaper than a GPU?

I did mine Bitcoins with ATI cards. You assumed it was the nVIDIA but please don't assume anything ;P







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  Reply # 833358 10-Jun-2013 09:04
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freitasm:My only question (and I already said it three times now) is at what point it is viable as a Bitcoin mining device in terms of return of investment. One is enough? If the calculations pointed before are correct, then it's a one year return of investment. Is it better than a GPU in terms of cost/return? You and others seem to indicate that considering energy usage it is effective but is it better and cheaper than a GPU?


GPU @ 200+W 300-400Mhash 'VS' ASIC @ 2W 300-340Mhash.
+ Host PC Wattage. Whatever it is.
That part should be clear. GPU mining is going the way of the CPU. GPUs should now be pointed at Litecoin (etc) pools to be profitable.

Adding multiple ASIC USB devices into a system eg: RPi with 2 Watts, isn't really going to make a difference to profitability. Getting more makes a very minor difference.

Unless of course you are forced to keep a PC running 24/7 to power one USB device (doing absolutely nothing else). But i wouldn't advise doing something like that.

freitasm:I did mine Bitcoins with ATI cards. You assumed it was the nVIDIA but please don't assume anything ;P


It was a joke.



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  Reply # 833478 10-Jun-2013 12:03
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  Reply # 837751 16-Jun-2013 19:23
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Just to throw something in the mix....
https://products.butterflylabs.com/5-gh-s-bitcoin-miner.html




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  Reply # 837754 16-Jun-2013 19:29
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Why?

Buy now, receive in 2015?

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