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Author Topic: [ANN] Bi•Fury | 5 GH/s USB Miner [IN STOCK!] {SALE !}  (Read 303763 times)
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aauer1
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November 12, 2013, 09:28:22 AM
 #181

Hi.

Is the hash rate of 5+GH/s guaranteed? Because we have seen that the Bitfury chips have a wide hash rate range. Means that you can get some chips which are only hashing at 1.8 GH/s and others are hashing at 2.7 GH/s. This is why I'm asking.

Are you running the chips with an increased supply voltage (>0.85V) to squeeze everything out of them?
And are they getting hot? The heatsink seems to be rather small for this "beast" ;-).

Cheers,
Andreas



4.5-5GH/s Twin Bitfury USB Miner | https://bitcointalk.org/index.php?topic=345294
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Felipeo
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November 13, 2013, 02:05:18 PM
 #182

Hi.

Is the hash rate of 5+GH/s guaranteed? Because we have seen that the Bitfury chips have a wide hash rate range. Means that you can get some chips which are only hashing at 1.8 GH/s and others are hashing at 2.7 GH/s. This is why I'm asking.

Are you running the chips with an increased supply voltage (>0.85V) to squeeze everything out of them?
And are they getting hot? The heatsink seems to be rather small for this "beast" ;-).

Cheers,
Andreas


Yes hash rate will be guaranteed, for now we only have problem with lower hashrate or death chips on devices with more chips(>16) and much of them was assembly or board problems, not chip itself.

We run it on USB 3.0 with it normal spec to squeeze 5+ Gh from them Smiley

Like you see on debug miner screen, with really weak air cooling temp are in about 57 C degree.
Without any air cooling you must easily add 20+ C degree.

aauer1
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November 13, 2013, 07:32:17 PM
 #183

Can confirm hashrate:



intron

Is this the estimated hashrate of accepted shares or the raw hashrate of the chips?
I know bfgminer and bfgminer is printing 3 hashrates for every mining device:
- the first one (I don't know what it stands for, maybe it is an averaged hashrate)
- the second is the "raw" hashrate of the miner
- the third is the hashrate estimated by the number of accepted shares

To which category belongs your posted hashrate?

Thanks for clarifying that!

4.5-5GH/s Twin Bitfury USB Miner | https://bitcointalk.org/index.php?topic=345294
BTC: 1Q2kFyoqVdYjoguvSsVAhsr66CtF2c3YX4
cscape
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November 13, 2013, 07:58:32 PM
 #184

That's a screenshot of the pool (BTC Guild), so it's the rate of accepted shares.

Happy with your c-scape product ? Consider a tip: 16X2FWVRz6UzPWsu4WjKBMJatR7UvyKzcy
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November 13, 2013, 08:01:08 PM
 #185

Can confirm hashrate:



intron

Is this the estimated hashrate of accepted shares or the raw hashrate of the chips?
I know bfgminer and bfgminer is printing 3 hashrates for every mining device:
- the first one (I don't know what it stands for, maybe it is an averaged hashrate)
- the second is the "raw" hashrate of the miner
- the third is the hashrate estimated by the number of accepted shares

To which category belongs your posted hashrate?

Thanks for clarifying that!


This was the hashrate as reported by BTC Guild after hashing
for some time with one of the first bi•furys.

Hope this helps,
intron

bits can go here: 1intronttqV6J1PLLeQ3X5i4PxyhpE1fP
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November 15, 2013, 01:35:32 PM
 #186

Are these now in stock and ready to roll?

Can you do somthing about P&P? Works out at about 30Euros which seems a lot to the UK

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November 15, 2013, 10:49:31 PM
 #187

whats the current pricing?
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November 15, 2013, 11:01:15 PM
 #188

whats the current pricing?

EUR 178.00

Convert to Bitcoin at time of purchase.

so 0.5898 

Merge mine BLC+PHO+ELT+XDQ+BBTC+UMO+LIT pool is open http://la1.blakecoin.com tips: 1MogRiTHpQZ7bkpq49cSVWADrTt7Jrghp
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November 15, 2013, 11:28:53 PM
 #189

Are these now in stock and ready to roll?

Can you do somthing about P&P? Works out at about 30Euros which seems a lot to the UK



Nice photo from assembly appear in gallery Smiley


Unit was sent and will be delivered to our warehouse on Monday.

We will post some news about promotion, hubs, software support, payment and delivery option early next week.

Have a nice weekend everyone!  Wink

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November 15, 2013, 11:34:24 PM
 #190

I noticed that Germany was not among your list of destination countries on the website, when I checked earlier today. Do you ship to Germany?
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November 16, 2013, 06:40:09 AM
 #191

cgminer driver for these devices is now up in the latest version, 3.8.2.

Primary developer/maintainer for cgminer and ckpool/ckproxy.
ZERO FEE Pooled mining at ckpool.org 1% Fee Solo mining at solo.ckpool.org
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November 16, 2013, 09:54:11 AM
 #192

It doesn't make sense to put your capital at risk merely to break even.

Nor does it make sense to sell geese that lay golden eggs.  Yet that's exactly what people foolishly expect the hardware providers to do.  If they're smart enough to design this stuff, then they could sure as hell set up a farm of their own...in their sleep!  And then just sell off the pieces as they become less profitable/efficient to mine with, always replacing them with nextgen supplies.  So why wouldn't they?  Why do people expect them to split their profits with us?

Miners should hold their coins through at least two of the 4-year reductions in payout.  In 8 years, each block will only yield 1/4th of what it does today.  All of this hardware is being produced to mine a dwindling supply of coins.  Half of all possible bitcoins were already 'mined' at the beginning of 2013.  And 3/4ths of all possible Bitcoins will already be mined in Jan 2017.  Which brings us to another point...

There are an infinite # of SHA256 coins that can be 'invented'.  Any cost/benefit analysis of these mining products must take that into consideration.  Hell....release your own sha256 coin!  Put some money behind it.  Advertise it.  Establish floors for its price.  Put a little effort into it, and this very same miner could yield you well over a million dollars profit.

People seem to have it in their minds that bitcoins can rise in price forever.  Even patents don't last forever, and there's no patent!!  As bitcoin rises in value, more and more incentive goes to the competition -- as with any product.

My first miner -> ATI 4550 (7.2 Mh/sec): 
https://www.facebook.com/groups/cryptospeculators/
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November 17, 2013, 10:37:49 AM
 #193

can't choose any shipping method (to Austria) and always get "Błędny sposób wysyłki."

Quote
We will post some news about promotion, hubs, software support, payment and delivery option early next week.
ah ok.

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sacskate
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November 17, 2013, 04:45:01 PM
 #194

pm sent!
Marinowner
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November 18, 2013, 02:26:32 PM
 #195

can I mine LTCs solo with these OP?
Stinky_Pete
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November 18, 2013, 02:54:06 PM
 #196

can I mine LTCs solo with these OP?
No, LTC uses scrypt, these are SHA256 devices

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November 18, 2013, 03:31:28 PM
 #197

with what hardware I can mine litecoins except my graphic card?
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November 18, 2013, 03:34:57 PM
 #198

with what hardware I can mine litecoins except my graphic card?

You could use someone else's graphics card?

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November 19, 2013, 09:25:40 AM
 #199

Any news on this? I want to order 1 or 2

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November 19, 2013, 11:10:06 AM
 #200

Any news on this? I want to order 1 or 2

Devices have arrive in our warehouse like I write before, first orders will be send tomorrow.

Tomorrow I will also post some more nice pics  Wink

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