Topic: [ANN] Spondoolies-Tech - carrier grade, data center ready mining rigs - page 656. (Read 1260395 times)

Cough -BFL - Cough - Scam.

Spondoolies:

I've just stumbled upon this http://takemybitcoins.tv

It's a TV show about bitcoins and they are looking for sponsors.

There will be a groupbuy option for everyone on the sp30 groupbuy, managed by roadstress, when 700 units are reached.

Therefore i hope that some kind of groupbuy will be available after the sp30 groupbuy time has run out.
They seem open to the idea, and reputable forum members with any ideas should email them.

Sure. Please email [email protected]

Thanks. Can you clarify on what PS and CS are?

Also is the sp30 going to be a flat board similar to sp10 or is the "mng board" a seperate board for each chip?

Is there a senior trusted member that could set up a group buy for sp10's with a may or june delivery. And would that work spond? I am very tempted by on the other group buy I just do not like that long of a wait. Way too much can happen between now and then. I want to at least start mining with it showing I should ROI.

@ spondoolies
Is it correct that the featured datacenters will provide at least 208V power for the sp30s?
If so, this would be another advantage for American customers thinking about datacenter deployment, as they wouldn´t have to pay an electrician to install aditional lines and brakers.

Oh, okay,.. I see you sent out review / sample units of the SP10. Do you have such a list for SP30? I'd like to be on it. (I'm also trying to help your "official" group buy by sending people to that thread.)

Still waiting to get SP10 data from Harel our HW director. Got SP30 data for now:

In high level the system include 2 PSUs+ 2 Main boards and Management board.

PSU dimensions
http://www.mouser.com/ds/2/132/trn_ac-dc_ds1200-3_release1_3_1296254727_techref-263453.pdf

look at Page 12

Main board dimensions
440X330X2.2mm
with max height on CS 13mm not final
and max height on PS 7mm not final

Mng board
87X265mm
with max height on CS 15mm not final
and max height on PS 3mm not final

Power is provided to the main board using a bus bar
Signals are connected between the Main and the Mng board using a flat cable.

Green revolution claims total infrastructure costs of $4/w but that is far too expensive IMO. They also say



So I doubt 100kw/42u rack is realistic without some serious cooling.

On the other hand if you can cool 5KW with 4 gallons of novec 2 phase cooling fluid that would only be $0.2/w and it would be much more efficient/effective at cooling.

This is something I've been researching pretty seriously.

The oil you propose will work great, but needs a suitable cooling system for the higher power densities (radiator+fan,chiller,...).

The DIY kits can not handle the power density without adding a custom cooling system.

The DIY GPU farm is in a datacenter submerged in GR cooling tanks and custom oil that cost about $2 per watt and a tank/rack maxes out at 100Kw (just for the system), and are the size of a 42U rack laid flat on the ground, they include intake and outlet piping to a chiller and a decent sized pump....



Love the idea, and for it to be practical just have to make it less expensive to implement.

If so, do you really think you will find the answers you seek here ?

Email or phone and ask the manufacturer directly yourself.

Why waffle on an internet forum with people in different time  zones with different knowledge awaiting an answer you seek.

If you are going to do it, do it. Get to the point and pick up the phone and ask the manufacturer the answer to the question you seek.

Sorry if I offended you in some way.

But yes, I plan on doing exactly what allied control did but scaled down 1000 times.

As for my fantastical farm I actually plan to cool an entire ONE (1) prospero x-1 as an experiment/for fun.

I only asked for the dimensions because I am interested in how viable 2 phase immersion cooling can be for the hardcore home miners. (not claiming to be one)

LOL^ ?

So just how many machines do you plan on buying then?

Do you want to be like these guys

http://www.theverge.com/2013/12/2/5165428/bitcoin-mine-in-hong-kong-uses-jelly-to-keep-cool

If so is it necessary to think out aloud here to convince yourself?

I suspect all you can afford is one POS "thing" and as such dunking it in mineral oil will work out just fine for you. Otherwise if you wish to test your technical prowess about fantastical emerged farms of this specific product, you wouldn't even need to think out aloud. Here.

Good luck to you whatever you may do or not do.

That is single phase immersion cooling. It has a much lower heat density/cooling effectiveness compared to two phase.

@ Biffa  - my apologies for the scoffing. it is just not clear to my why you would not buy one owing to the noise factor i.e. stick it in a different room from where you sit or sleep. stick it outside in a weather proof housing easily hand made. coming from the GPU world and running 4 x R9 290 + 2 x Scythe Kaze Ultra 120 mm fans - I like to believe I know what noise is.    unless you live in a bachelor apartment have no balcony and no access to the outside other than the corridor - the okay. When I hear someone say they don't want to buy one because of the noise, the obvious comes to mind as above. I liken it to, someone saying 'i'd buy one of these if they come in different colors because my wife would absolutely not allow me to keep it in the living room because she cannot stand the color silver'

@ liquid coolers - cost nothing to do:

1.  technical grade mineral oil  http://store.steoil.com/categories/Crystal-Plus-Tech-Grade/?sort=featured
2.  DYI kits  http://www.pugetsystems.com/submerged.php easily replicable with some time and effort on your part for at least half the kit cost
3.  DYI GPU farm immersion https://blog.korelogic.com/blog/2013/06/05/oilcooledgpus

Lots of info out there. I wouldn't get wrapped up in the value/cost of the device or the thought it is a 'professional device' it is nothing but hardware and need not have to be treated professionally to the point where you can't buy one because it costs too much to cool and makes too much noise from the fans where there isn't an inch my house where I can sequester it without hearing it - including the garden outside. It's nothing more than a 'thing'.

If I recall correctly you can buy these either by the chip only, by the board only or the reference miner as a whole. Just buy the boards sans fans and housing save a few dollars and dunk it oil and be done. In your house. In your bedroom even. Under your pillow even. 

* notes: kiss your warranty goodbye no doubt; sub heat sink contact per GPU need to replace thermal paste with non dissolving thermal medium; can all be cleaned but major effort, but can be.

everything all quite solvable whether it is heat, noise, color, placement, cooling, whatever.

https://bitcoinwisdom.com/bitcoin/calculator <--------- numbers please ?

Assume $0.1 USD kwh, $4500 SP30 price, August delivery. With your difficulty projections, what price does BTC have to be for me to get a good (100%) return on my investment ?

also see: https://bitcoinwisdom.com/bitcoin/difficulty

http://bitcoin.sipa.be/growth.png

Yes I plan on using a water cooled condenser at the top of the system.

I don't own a SP10 miner but the reason I am using it as a reference is because it appears to be the largest board out at the moment and I am wondering how practical a "one-size-fits-all" solution would be.

The most important thing when it comes to immersion cooling is how close together the boards can be (to save on fluid). The length and width of the sp10 board is very large which would require more cooling liquid which is not ideal. However if the boards can be placed very close together it can still be economical. I think that if 8 boards can fit within a 2U container it would be worth it (~3-4 gallons of novec needed per container). So that means 5KW could be cooled for ~$750 worth of fluid along with the building materials ~$250 or about the cost of an air conditioner while using ~1kw less.

This is of course theoretical and likely not very accurate.

This is what I have been debating for a long time. There would have to be a huge slow down the rate difficulty increases. It is hard to see this with the increased hash rate of new ASIC's. But I want to believe because I want 1 or 3 of these.