[ANN] US/North American Bitfury sales NEW STOCK ***NOW SHIPPING***

[greaterninja]

I am trying this approach now...will report back with results.

[goxed]

And what defines whether the cards run well vs turn into melted goo like seen in some of the other photos

Well, I suspect someone experimented with stuff that even bitfury himself said isn't worth the try. The issue is how to provide the 0.6-0.9V VDD for the chip. On the melted boards I don't see a power regulator (the thing that most people used to "pencil mod").

The chip was designed to support "chained VDD" configuration - in this case if let's say you have 5V power supply and you want to feed that into 8 chips you can chain them one after another and presuming everything works fine each of the chips will get 0.625V (or 5V/8chips). It's the same as wiring a bunch of christmas lights in series.
Everything works fine until one of them shorts. Then instead of each chip having 0.625V they'll get 0.71V (or 5V/7) which will make them produce more heat. When the next one fails the voltage goes to 0.83V (5V/6 chips), and with the next one it goes to 1V per chip. Etc, etc. etc.

So basically things turn from bad to worse very very quickly.

If you're interested in the technical details - that's a good place to start:

Single chips is quick & dirty. Yes I want more - ideally I would like to see board that is powered with 12 V strings and have no external components (costs) except chips and passive components.
But that won't be simple to get. But that's what I was aiming to actually blow off any other component vendors from bill of materials and do not make bottlenecks with turn-around-times and such with inductors, many power regulators and such.
But this is what again - likely can't be done quicky, only if very lucky and there should be no complex filtering/anti-resonance issue between chips in a string (you see - we now connect CMMINUS, CMQ, CMPLUS to GND).

what about if all the chips had parallel power, and the m-board (or an external PSU) simply provided 0.85V?

'It's no good providing 0.85V through M-board, because amperage would be huge, leading to overheating, voltage drops, etc.' Infact you can already measure a 0.1 - 0.2V drop across the fuse on the over clocked H-board That's close to 1W heat dissipation.
That's why we get 110V / 200V through the mains, to reduce amperage for the same power.

[integrity42]

https://megabigpower.com/shop/index.php?route=product/product&product_id=53

This  is insanely overpriced.  $8000 = 40BTC.

400GH will get you only 27 BTC.

http://btcinvest.net/en/bitcoin-mining-profit-calculator.php?diff=390928787.63809&dcosts=8000&diff_mincrease=30&blpbtc=25&dhsmhs=400000&diff_mincreasedecrease=3&btcusd=190.75&dpowcon=30&btcusd_mincrease=1&pcost=0.25&calcweeks=32&dleadtime=0&action=calc

Why would someone spend $8000 to buy 27BTC via this mining hardware when they can spend $8000 to buy 40BTC via an exchange.

AM I missing something?

[User705]

They can't lower prices because all the customers that already paid would have to get refunded.

[klondike_bar]

https://megabigpower.com/shop/index.php?route=product/product&product_id=53

This  is insanely overpriced.  $8000 = 40BTC.

400GH will get you only 27 BTC.

http://btcinvest.net/en/bitcoin-mining-profit-calculator.php?diff=390928787.63809&dcosts=8000&diff_mincrease=30&blpbtc=25&dhsmhs=400000&diff_mincreasedecrease=3&btcusd=190.75&dpowcon=30&btcusd_mincrease=1&pcost=0.25&calcweeks=32&dleadtime=0&action=calc

Why would someone spend $8000 to buy 27BTC via this mining hardware when they can spend $8000 to buy 40BTC via an exchange.

AM I missing something?

I expect next week they will announce the november pricing, hopefully bringing these closer to parity

[Keefe]

So basically things turn from bad to worse very very quickly.

what about if all the chips had parallel power, and the m-board (or an external PSU) simply provided 0.85V?

That's what the standard design does - you have one power regulator (the big black brick that says PULSE on it) that powers all chips in parallel and all chips get the same voltage.
If one chip dies the rest will continue working normally. If the chip that dies actually short-circuits the board the regulator will normally detect the short and just completely cut out power. So in that case the board will still not work, but at least it won't melt the rest of the chips. And with some luck you could insulate the bad chip and get the rest working.

Actually the big Pulse component is an inductor. The regulator is the small TI chip below it.

[integrity42]

But 400GH delivered today will only get you 27BTC.  It would be quite silly to spend 40BTC, only to get back 27BTC.

http://btcinvest.net/en/bitcoin-mining-profit-calculator.php?diff=390928787.63809&dcosts=500&diff_mincrease=30&blpbtc=25&dhsmhs=400000&diff_mincreasedecrease=3&btcusd=190.76&dpowcon=30&btcusd_mincrease=1&pcost=0.25&calcweeks=32&dleadtime=0&action=calc

[vs3]

So basically things turn from bad to worse very very quickly.

what about if all the chips had parallel power, and the m-board (or an external PSU) simply provided 0.85V?

That's what the standard design does - you have one power regulator (the big black brick that says PULSE on it) that powers all chips in parallel and all chips get the same voltage.
If one chip dies the rest will continue working normally. If the chip that dies actually short-circuits the board the regulator will normally detect the short and just completely cut out power. So in that case the board will still not work, but at least it won't melt the rest of the chips. And with some luck you could insulate the bad chip and get the rest working.

Actually the big Pulse component is an inductor. The regulator is the small TI chip below it.

duh ... I over-edited my previous post ... it was supposed to say "next to the big black brick that says PULSE"
Actually it isn't visible on the last few screenshots as there is a copper heatsink on top of it. (it is visible on the pictures from the OP - e.g. https://megabigpower.com/images/h-card.jpg)

By the way - sometimes more heat is produced by the inductor (that Pulse one) than the actual regulator chip. So if you're going overboard with heatsinks anyways - do add one to it as well.

[Doff]

But 400GH delivered today will only get you 27BTC.  It would be quite silly to spend 40BTC, only to get back 27BTC.

http://btcinvest.net/en/bitcoin-mining-profit-calculator.php?diff=390928787.63809&dcosts=500&diff_mincrease=30&blpbtc=25&dhsmhs=400000&diff_mincreasedecrease=3&btcusd=190.76&dpowcon=30&btcusd_mincrease=1&pcost=0.25&calcweeks=32&dleadtime=0&action=calc

I just have to ask, do you really believe the network hash rate will be somewhere around 234 times what it is today by Nov of next year? lol, I suppose its not impossible however it seems unlikely it happens that quickly.

 

[integrity42]

But 400GH delivered today will only get you 27BTC.  It would be quite silly to spend 40BTC, only to get back 27BTC.

http://btcinvest.net/en/bitcoin-mining-profit-calculator.php?diff=390928787.63809&dcosts=500&diff_mincrease=30&blpbtc=25&dhsmhs=400000&diff_mincreasedecrease=3&btcusd=190.76&dpowcon=30&btcusd_mincrease=1&pcost=0.25&calcweeks=32&dleadtime=0&action=calc

I just have to ask, do you really believe the network hash rate will be somewhere around 234 times what it is today by Nov of next year? lol, I suppose its not impossible however it seems unlikely it happens that quickly.

 

Doesn't matter. You can ignore everything past 15 jumps because of diminishing returns.

http://btcinvest.net/en/bitcoin-mining-profit-calculator.php?diff=390928787.63809&dcosts=8000&diff_mincrease=30&blpbtc=25&dhsmhs=100000&diff_mincreasedecrease=3&btcusd=190.75&dpowcon=30&btcusd_mincrease=1&pcost=0.25&calcweeks=15&dleadtime=0&action=calc

And yes I DO think it will be 5-8 Billion by March/April.

After the network settles down to less then 5% per jump, thats when i'd consider buying hardware...

[Doff]

Well, I cant say you are wrong mainly because I really have no idea, although it seems like a bit of a jump in hashing power to hit those numbers.

[Doff]

Well, I cant say you are wrong mainly because I really have no idea, although it seems like a bit of a jump in hashing power to hit those numbers.

+30% jumps are conservative.  BFL is still shipping, so is KNC; HF, Cointerra, BA are still unknowns.  Then you have bitfuries.  I suspect we'll see 30-50% jumps every 2 weeks at least until Feb/14 or Mar/14.  Monarchs and BAs shipped in numbers will culminate this run up.

I think people who ordered Monarchs will be dumping their pre-orders sometime in December at 50% loss.

BTW, Bitfury kits for November better be in the KNC price range, i.e. $3-4K per full kit.  It all can change very quickly if HF demos their chip.
Then $3K/full kit will become expensive overnight.

I dunno, were already reaching a saturation point, just doing some simple math those companies would need to deliver a lot of hardware to reach the 1 Billion mark. We have some time before 8 Bil, but the way this market moves I could certainly be wrong.

[klondike_bar]

Well, I cant say you are wrong mainly because I really have no idea, although it seems like a bit of a jump in hashing power to hit those numbers.

+30% jumps are conservative.  BFL is still shipping, so is KNC; HF, Cointerra, BA are still unknowns.  Then you have bitfuries.  I suspect we'll see 30-50% jumps every 2 weeks at least until Feb/14 or Mar/14.  Monarchs and BAs shipped in numbers will culminate this run up.

I think people who ordered Monarchs will be dumping their pre-orders sometime in December at 50% loss.

BTW, Bitfury kits for November better be in the KNC price range, i.e. $3-4K per full kit.  It all can change very quickly if HF demos their chip.
Then $3K/full kit will become expensive overnight.

not true. I think there will be another 1-2 months of 30% increases, then it will HAVE to slowly adjust downwards. Costs will slowly approach the price of manufacturing, in the case of bitfury it is unlikely they can make a board for any less than $200 (and continue to pay off nre costs) for some time. Other manufacture use more complex designs that may be even more difficult to bring, and machines like asicminer / BFL / avalon (first-gen anyways) will become inefficient far sooner than bitfury and other gen2 asics capable of <1w/GH

to double hashrate by Nov 24 (less than 3 difficulty changes at 30+%), each company that is now shipping would basically need to ship 70%+ of the amount already shipped (Basically asking that they have tightened their production speeds by 2-3x current.

[newguy05]

But 400GH delivered today will only get you 27BTC.  It would be quite silly to spend 40BTC, only to get back 27BTC.

http://btcinvest.net/en/bitcoin-mining-profit-calculator.php?diff=390928787.63809&dcosts=500&diff_mincrease=30&blpbtc=25&dhsmhs=400000&diff_mincreasedecrease=3&btcusd=190.76&dpowcon=30&btcusd_mincrease=1&pcost=0.25&calcweeks=32&dleadtime=0&action=calc

I just have to ask, do you really believe the network hash rate will be somewhere around 234 times what it is today by Nov of next year? lol, I suppose its not impossible however it seems unlikely it happens that quickly.

 

laugh now, see who will be the one crying next Nov. Miner prices will continue to crash while difficulty gaps up, it is not rocket science as long as the cost to produce the hardware is cheaper than the btc prices they produce, hardware will continue to be made, which leads to sustained difficulty gaps. And we are VERY FAR from the actual breakeven price for those asic hardware (they cost 3 figures or less not 4 to make).

This is just the tip of the iceberg, as the manufactures get their sh** together to start churning out those 500GH+ hardwares.  Avalon/BFL had a monopoly so they were just fucking around with everyone to control the difficulty, but now they have completely lost control as the flood gate has opened. You got knc churning out miners like no tomorrow, same with bitfury etc..  with a few big players still in the pipe.  Look at avalon now, they changed from 8 months+ delay -> to ship within 48 hours. Do you really think they improved the manufacturing overnight?  no it's all bullshit as they realized the hardware gig is over and try to dump as much as they can before the race to the bottom (breakeven price point) is hit.

The kiddie gloves are off, now all the hardware companies are truly in a race to dump as much hardware as they can before the hardware become unprofitable to sell. Anyone buying hardware nowdays is like trying to jump from 1 jet to another going at mach 10 speed in opposite direction midair, sure you can still land and make money, but just take a look at the difficulty chart first... at <3000TH total this will be a joke with cointerra churning out 2 TH boxes by next year, and everyone else dumping 0.5+ TH.

And cex.io operates on the greater fool theory, 0.1BTC per Gh is way overpriced, but everyone thinks there is a sucker they can sell it to tomorrow hence the price level is maintained until the musical chair stops.

All i can say is good luck.

[Doff]

I am laughing at this (on 2014/11/05 ) 91,637,018,622, You honestly believe it will reach this Number by that date? again lol if you do. If I am wrong then a big ol LOL in general because that's some insane network hashing power to produce that diff.

[buzzdave]

Dave, is there any chance that you will have extra V2 H boards for sale so we can add to our October kits?  I assume the boards that are currently available in the store are V1, correct?  I like to add a couple H boards of both varieties if possible.

I'm going to release V2 H boards at a new price - once we figure out how many we have available (so, after we ship all of October first, and may/may not be in November).  Yes, the boards currently in the store are for V1, however a number of people who ordered additional H-cards with their October starter kits will get the proper H-cards for their M-boards.

Hey Dave,

What are the V2 H boards? Are these the ones without caps, but the rest same as original H-boards?

Thanks

V2 H-boards are the new ones coming with PCI type card edge.  They also have the trim pot.  They only work with V3 M-boards.

Sorry for the version confusion.  The V1 series has an iteration with caps and without.

[spiccioli]

I am laughing at this (on 2014/11/05 ) 91,637,018,622, You honestly believe it will reach this Number by that date? again lol if you do. If I am wrong then a big ol LOL in general because that's some insane network hashing power to produce that diff.

You don't need to reach such a high difficulty to be completely unprofitable on a 6500 USD/450 GH/s rig.

spiccioli

[Doff]

I am laughing at this (on 2014/11/05 ) 91,637,018,622, You honestly believe it will reach this Number by that date? again lol if you do. If I am wrong then a big ol LOL in general because that's some insane network hashing power to produce that diff.

You don't need to reach such a high difficulty to be completely unprofitable on a 6500 USD/450 GH/s rig.

spiccioli

I'm not arguing whether anything will be profitable or not, the diff that he listed was just absurd however. I think too many people want to make 10000 USD or 100 BTC in a month like what they would have when they were first coming out 3 Months ago.

When I first got in to Bitcoin you could buy a 5550 card and you might get ROI in a year, now people are screaming about something that will not ROI in a month. Were hitting that Saturation point like GPUs did where you need to look a lot further out for when you ROI. Not to mention buying an FPGA where they were 650 a unit or more and ROI was nearly Two years out, its funny how things change and suddenly something that can ROI in 6-7 Months is outrageous.

Again I am not arguing what the price of Bitfury machines should be or whether or not these ever ROI I can run calculations just the same as anyone else, however I try to be slightly more realistic with the information I can get.

[mb300sd]

Has anyone received their october rigs yet? The month is ending fast...

[Trongersoll]

Has anyone received their october rigs yet? The month is ending fast...

I got my Oct. H boards yesterday, does that count?