Topic: The Habanero - 650GH/s - OOS - page 37. (Read 96051 times)

There are many ways to play this game 

Just put in an order for 2 x Habeneros.  I will be experimenting with a dual pump high pressure custom liquid cooling system that I plan to cram into a 4U case I have (from an old busted Avalon clone).  As soon as I have everything working I will post here with results.  Should be able to get to 700 Gh/s with this per card; maybe a lot more.

Setup:

DPS-2000BB with sidehack's power adapter (and IBM server 2000 watts super efficient supply, extra room for overclocking)
Phobya 5 Bar (about 167 feet water) triple 120mm (50mm thick) G Changer radiator
Delta PFB1212UHE-F00 fans (triple, for radiator) which put out a hurricane force wind of 252 cfm EACH (not for home use, these are 60+ decibal fans)
Koolance RP452X2 reservoir-pump combo with upgraded dual Swiftech 655-B pumps in series (should reach about 4-5 Bar pressure at about 2-4 L/m flow rate)
XSPC RayStorm special copper edition lga 1366 cooling blocks
1/4" ID x 3/8" OD Tygon lab grade tubing

This is my first liquid cooling foray, but I did a lot of research into optimizing for maximum head pressure (using commercially available parts, anyways) and reliability (since this will be in a data center, failure is bad).  The dual pumps double head pressure, and add safety margins as a failure of one pump will not be fatal immediately (the other pump should continue to supply cooling albeit at half the pressure).  Even a single pump on this is improved over the H100i system though.  Once I get everything working, I may add some kind of controller for safety.

If possible, I plan to mount the cards on their edges in parallel using PCB card slots I found on mouser.  I plan to put a rail of some kind across the top of the case and mount a card slot on the top and bottom of the case for each card.  I got a variety of different card slots so I will have to report back which work.  If that fails, I have some other ideas, maybe will use risers and stack the cards but that is not optimal.

At frozencpu, my entire purchase (include tubing, screws of various kinds, and compression connections) was about 1.59 BTC.  Add to that 2.5 BTC for the 2x Habeneros, and I have a 4.09 BTC cost for about 1.4+ Gh/s system (throw in $80 for the power supply and sidehack board).  Not cheap, but about the same price as a Spondoolie SP10 but with the benefit that (1) I can re-use every component (except the Habenero of course) in my next miner project, and (2) I will be able to use an rPi to control/tweak/optimize.

Anyone with great experience in custom liquid cooling that might have suggestions (or especially if there is a major issue in my equipment selection) please feel free to PM or post here!!!!

Their are a lot of variables that you need to consider.

OEM H80i from CoolIT with San Ace 120 12v Server fan
875-850Mhz, temps around 100c (depends on ambient temp of the room also, and how well you have the cooling head applied).
Results may very.

Replacement board is working fine at 800MHz.

Thank you!

What are you able to do on the Hab w/ an H80i? ... clocks / temps?

Btw, after testing a bunch of h80i's and the h80i clone from coolmaster I have to say my new favorite cooler is the Cool Master Glacer 240L, its a dual radiator system and has a nice big pump for the cooling head.  You can get them from Amazon here http://www.amazon.com/gp/product/B00GJYNM4M.  I do still recommend a replacing the fans if you really want to push this board.  I have one San Ace 120 12 volt server fan connected to where the pump line inputs are to cool it down and I have to say its quite good compared to a single h80i. 

Of course since we cant test every combination we would love to hear what you guys are using and see some pictures!

Cheers!

Random pic of the day.. kinda reminds me of bringing Frankenstein alive!

Email sent fast reply wil be appreciated

[email protected]
Sorry about the captcha, we'll either get it fixed or removed.

Hello,

how to contact peppermining.com? the verification image on Contact us page not works.


br

I got an email that the replacement board got delivered today. I tested it overnight on Sunday prior to shipping it yesterday, so there shouldn't be any issues with it. Sorry for the problems, we'll get the returned board tested and see what the issue might have been.

LOL... I think I need a holy water bath after reading that. No, no paypal.

Even if everything can be sourced locally the company producing the boards would have to pay VAT on the parts, in Europe you have to pay VAT on everything, but then you have to charge VAT on everything if your turnover is over a specific amount per year, or if you expect your turnover to be over a specific amount per year. As I said even if you don't VAT register (because your turnover is below the threshold) you would still need to recoup the full price of whatever components and work needed to be done.

Definitely the best way to do it to produce the cheapest miners would be to build locally from as many locally sourced components as you can, I don't know what the markup on these fully populated boards are but I am sure there would be a substantial amount. Now perhaps MrTeal would require some sort of license fee or cut from a EU manufacturer.

But also remember with a full manufacturing setup you will probably have much higher 3rd party costs and staffing/warehousing etc. Also you would have to get a CE mark which can cost quite a lot to get started. Plus there is corporation tax, liability insurance etc etc etc.

Maybe an already existing company could be found to either resell or more such as minereu.com

To be fair, you did order a pre-order and it shipped less than a week after the order was placed. We did try to get them all out by the end of last week, but a couple of the orders from last week didn't make it out until Monday. We do our best to get everything out as soon as possible.

As for the price change, we did have some debate over how to handle this. There really isn't a great way to do it, but it seemed a natural break as we're essentially done batch one and there is a break now before batch two. Batch two originally wasn't supposed to happen so quickly, but the assembly house essentially started work on batch two right after batch one finished, so the break is only on the order of a week instead of the longer one we thought we'd have. Our costs have come down between the batches, so we're just trying to pass the savings on and stay competitive in the marketplace.

I do not know the VAT laws myself but my understanding is if MrTeal opened this for EU/UK it would be to license the board spec to be produced and chips populated locally in the EU/UK... unless I am mistaken...

Does VAT still apply to that?

Awesome, thanks for explaining. On that note, you think the performance of H100i would be similar to the glacier 240L?

  You guys don't really understand VAT do you. (not you MrTeal, thats understandable)

Selling it via a UK/EU reseller won't make any difference. The price will still need to have VAT added on to it for consumer sales.

The reseller will have to pay VAT to get them into the country, you think he's not going to charge VAT on top of the price? Firstly he has to by law if he is VAT registered, secondly even if he isn't VAT registered he has to recoup the VAT he paid to import them.

So it won't make much difference paying VAT yourself to bring them in or paying to the EU/UK reseller when you checkout.

FYI
adafruit has BBB's in stock again for anyone looking for a Pi alternative, also take Bitcoin.

Sorry for the off topic.

paypal payment option for US buyer?