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Author Topic: [Announcement] Block Erupter USB  (Read 250557 times)
dnaleor
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June 05, 2013, 10:17:57 PM
 #881

At 1% it's probably an unlocked account, or his bank is even worse than the average bank!

They can be resold but it will certainly not be at that price.

Look, I bought one, but let's be real.

These bitches are selling @ $450 right now on eBay.  I bet they'll stay that way until Avalon's chips are released.

indeed. Than I'll buy one for the lolz. I want one because they have collectable value, but would never pay >100$ for them

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June 05, 2013, 11:29:59 PM
 #882

what is your hw error rate? i get ~ 4,7 per hour
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June 06, 2013, 12:09:59 AM
 #883

From my own personal experience:
7 port USB hub D-Link DUB-H7 worked just fine for me powering simultaneously not only 4 USB ASICminer Block Erupters but also the raspberry pi.  It has a 3A power supply and 2 1A USB charging output ports.
I'm not sure how many more than 4 block erupters it can handle; I assume by its 3A power supply it can handle a maximum of 6.

-doubledave
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June 06, 2013, 02:15:27 AM
 #884

what is your hw error rate? i get ~ 4,7 per hour

About the same.

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June 06, 2013, 05:50:53 AM
 #885

what is your hw error rate? i get ~ 4,7 per hour

ICA0                | (5s):334.2M (avg):333.2Mh/s | A:8655 R:67 HW:118 U:4.3/m

Around 1%

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June 06, 2013, 05:52:30 AM
 #886

Nope. Check the current facts, network hashrate and difficulty is rising since February at a rate of 30% a month minimum. Which means difficulty doubles every 3.3months (and BTC earned halves!).

Ran the figures out for 730 days (2 years) from today. In 2 years the block eruptor will mine 1.25 BTC!! So in year two you will dig out a whole 0.05 BTC all year.

In year three BTC earned will end up less than the $0.01 a day it costs to power this USB stick.  Your best bet is the leave it running 24/7 for the next 12 months and hold the BTC earned until it hopefully rises to $185/BTC.  Then you will break even and maybe make a profit. if not you basically paid way way to high $/G/H to be an early ASIC adaoptor.

So, what do you do in BT-talk then? Can't be GPU mining. FPGA miner?

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June 06, 2013, 11:54:46 AM
 #887

Nope. Check the current facts, network hashrate and difficulty is rising since February at a rate of 30% a month minimum. Which means difficulty doubles every 3.3months (and BTC earned halves!).

Ran the figures out for 730 days (2 years) from today. In 2 years the block eruptor will mine 1.25 BTC!! So in year two you will dig out a whole 0.05 BTC all year.

In year three BTC earned will end up less than the $0.01 a day it costs to power this USB stick.  Your best bet is the leave it running 24/7 for the next 12 months and hold the BTC earned until it hopefully rises to $185/BTC.  Then you will break even and maybe make a profit. if not you basically paid way way to high $/G/H to be an early ASIC adaoptor.

So, what do you do in BT-talk then? Can't be GPU mining. FPGA miner?

Why can't I be a GPU miner? Any AMD 7950 (the most efficient GPU miner on hash vs power vs cost) who started from Jan to March 2013 or before has already made their ROI and now enjoys slowly declining net profits but with a saleable asset still worth 70% of the purchase price on ebay. Anyone who started April will make a ROI before power costs overtake BTC earned daily. A 7950 still earns over $1 profit a day on 15.6m difficulty becaus it can hash 500m/h easily.

Personally i've only mined BTC directly for about 3 weeks in total including 5 days last week. It's far more profitable to mine LTC with a GPU and exchange for BTC on BTC-e.  Mining LTC earns $1.75 a day profit today.

I expect GPU mining of BTC to be loss making on any GPU by August, and maybe LTC too unless LTC jumps in price a lot! Still buy then should have my 21 g/h of BFL 7gh miners that cost $1200 going. And this will make profit long long afer the block eruptor has been taken offline.

M


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alibert
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June 06, 2013, 05:07:39 PM
 #888

I also have a 7950, but mining on it makes no sense for me. 1 kW/h costs 0.27€ here in Germany, so at 350W*24h I have 8.4 kW/h ( = 2.268€ electricity per day).

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June 06, 2013, 05:14:52 PM
 #889

what is your hw error rate? i get ~ 4,7 per hour

ICA0                | (5s):334.2M (avg):333.2Mh/s | A:8655 R:67 HW:118 U:4.3/m

Around 1%

Is that with cgminer or bfgminer?  I get 12% with cgminer and about 5% with bfgminer
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June 06, 2013, 05:16:42 PM
 #890

cgminer 3.1.1 on debian linux (armtel)

Economics
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June 06, 2013, 07:08:05 PM
 #891

What FPGA/ASIC is used in the BlockErupter?

-E
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June 06, 2013, 07:09:39 PM
 #892

I also have a 7950, but mining on it makes no sense for me. 1 kW/h costs 0.27€ here in Germany, so at 350W*24h I have 8.4 kW/h ( = 2,268€ electricity per day).

For those of us in IndoChina or the majority of the English speaking world, he means €2.268 per day (just to help others avoid the shock of "you pay WHAT for electricity?!?!?" that I just had before reading it a second time)
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June 06, 2013, 07:16:11 PM
 #893

I also have a 7950, but mining on it makes no sense for me. 1 kW/h costs 0.27€ here in Germany, so at 350W*24h I have 8.4 kW/h ( = 2,268€ electricity per day).

For those of us in IndoChina or the majority of the English speaking world, he means €2.268 per day (just to help others avoid the shock of "you pay WHAT for electricity?!?!?" that I just had before reading it a second time)

I'm sorry, i meant 2€ 27 Eurocent... edited

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June 06, 2013, 07:24:51 PM
 #894

no problem, really - was just a little confusing because you used a full stop as the decimal placeholder at first, then switched to the comma Smiley
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June 06, 2013, 09:56:34 PM
 #895

At 1% it's probably an unlocked account, or his bank is even worse than the average bank!

They can be resold but it will certainly not be at that price.

Look, I bought one, but let's be real.

These bitches are selling @ $450 right now on eBay.  I bet they'll stay that way until Avalon's chips are released.

indeed. Than I'll buy one for the lolz. I want one because they have collectable value, but would never pay >100$ for them

or i am selling them for 2.35BTC Smiley

https://bitcointalk.org/index.php?topic=224256.msg2389085#msg2389085
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June 07, 2013, 01:22:27 AM
 #896

What FPGA/ASIC is used in the BlockErupter?

-E

custom ASIC from ASICMINER
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June 07, 2013, 04:25:15 AM
 #897

What FPGA/ASIC is used in the BlockErupter?

-E

custom ASIC from ASICMINER

The original plan involved stuffing a cat into the product to increase hashrate, but it got fried in the process  Shocked
PeZ
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June 07, 2013, 04:39:56 AM
 #898

My little USB Block Erupter has been hashing away for 24 hours at 334MH/s and I have made $0.92 at BTCGuild. At that rate I will pay off the cost of the device in 9 months! With the coming increase in difficulty, that might jump up to infinity!

<praying for BFL>
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June 07, 2013, 09:01:14 AM
 #899

My little USB Block Erupter has been hashing away for 24 hours at 334MH/s and I have made $0.92 at BTCGuild. At that rate I will pay off the cost of the device in 9 months! With the coming increase in difficulty, that might jump up to infinity!

<praying for BFL>

Sadly, each day these devices become a little less profitable... Bitcoin is soooo fast moving it is hard to keep up.

Smiley
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June 07, 2013, 10:57:51 AM
 #900

Some days it feels like: http://www.youtube.com/watch?v=6DGNZnfKYnU

I don't know half of you half as well as I should like; and I like less than half of you half as well as you deserve.
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