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Author Topic: Ars Technica has a BFL miner  (Read 1003 times)
Tamerz
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May 09, 2013, 05:00:20 PM
 #1

http://arstechnica.com/gadgets/2013/05/weve-got-a-butterfly-labs-bitcoin-miner-and-its-pretty-darn-fast/
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k9quaint
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May 09, 2013, 05:13:46 PM
 #2

50 watts, 80C.
Minteresting. I wonder how many chips are under that heat sink.

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May 09, 2013, 05:29:12 PM
 #3

I really think they have a big cash flow problem!
Instead of sending to their first customers,
they send the devices to media -->  more preorders.

I would not be surprised if the system collapses soon

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May 09, 2013, 05:31:47 PM
 #4

50 watts, 80C.
6 month MTTF? Fan at "Hair Dryer" levels?
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May 09, 2013, 05:33:27 PM
 #5

50 watts, 80C.
Minteresting. I wonder how many chips are under that heat sink.

Yeah, 80C with the fan at "hair-dryer" levels worries me. If this 5 GH/sec box is hair dryer loud, I am not going to be very thrilled with the noise of the 60 GH/sec and 30 GH/sec boxes I ordered for my one bedroom condo. Sad
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May 09, 2013, 05:36:31 PM
 #6

Perfect. Noisy, running hot, and a larger power draw than posted. Could make a nice heater.

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ice_chill
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May 09, 2013, 05:40:36 PM
 #7

So instead of 1watt per Ghash it draws 10watts per Ghash ? Huh
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May 09, 2013, 05:41:17 PM
 #8

50 watts, 80C.
Minteresting. I wonder how many chips are under that heat sink.

1 in words: One
That's 10x the initially advertised power efficiency and 0.83x the initially advertised total hash rate.

So instead of 1watt per Ghash it draws 10watts per Ghash ? Huh

exactly that

First they ignore you, then they laugh at you, then they keep laughing, then they start choking on their laughter, and then they go and catch their breath. Then they start laughing even more.
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May 09, 2013, 05:41:53 PM
 #9

So instead of 1watt per Ghash it draws 10watts per Ghash ? Huh

Maybe the fan draws a few watts?

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May 09, 2013, 05:42:49 PM
 #10

So instead of 1watt per Ghash it draws 10watts per Ghash ? Huh

Maybe the fan draws a few watts?

Fans are in the order of 1-3 watts

First they ignore you, then they laugh at you, then they keep laughing, then they start choking on their laughter, and then they go and catch their breath. Then they start laughing even more.
JohnnyBrown
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May 09, 2013, 05:45:06 PM
 #11

So instead of 1watt per Ghash it draws 10watts per Ghash ? Huh

Maybe the fan draws a few watts?

Fans are in the order of 1-3 watts

Never mind, still quite unexpected though.

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