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Author Topic: Swedish ASIC miner company kncminer.com  (Read 3049421 times)
DeathAndTaxes
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August 28, 2013, 04:49:20 PM
Last edit: August 28, 2013, 10:51:17 PM by DeathAndTaxes
 #7501

Quote
Today we can reveal that our maximal power consumption will be below 1.6 W/GH/s.

KNC,

Can you clarify what the 1.6 J/GH represents

Is it "at the wall" (assuming 90% efficient ATX PSU)?
i.e.  whole system 625W @ 120Vac for Jupiter (400 GH/s nominal)
625W / 400 GH/s = 1.6 J/GH "at the wall"

Is it the entire system DC load (everything but ATX PSU inefficiency, 90% assumed)
i.e. whole system 625W DC load ~= 711W @ 120 Vac
711W /400GH/s = 1.8 J/GH "at the wall"

Is it just the asic boards (fans additional)?
i.e. 625W asic boards + ~60W for cooling = 685W @ 12Vdc ~= 761W @ 120 Vac
761 / 400 GH/s = 1.9 J/GH


On edit: the word "all components would seem to exclude the third option.

I would like to update the electrical break even point for KNC miners.
https://bitcointalk.org/index.php?topic=281279

Oh and if you are willing to provide an estimate of total pre-orders I wouldn't complain. Smiley
https://bitcointalk.org/index.php?topic=278384
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August 28, 2013, 04:51:57 PM
 #7502

Kuroth is just here to troll.  Much better to press the ignore button...
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August 28, 2013, 04:56:00 PM
Last edit: August 28, 2013, 05:15:05 PM by Phoenix1969
 #7503



looks like I chose just the right ones... got my 3   CX600 ATX's weeks ago for the Saturns, and since "Builder's series... already has the 6-pin pci-e plugs on each power-leg, it won't require adapters. Sweet.
The Q for most now is...can you get them before supplies are short online? Happy shopping...


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August 28, 2013, 04:57:13 PM
 #7504

...
Ah now I can fix this based on KnCs latest 1.6W/GH announcement

75/10GH = 7.5W/GH
640/400 = 1.6W/GH
7.5/1.6 = 4.68x More Power Consumption (Guaranteed)

Monthly electricity bill for KNC blade (overclocked)?  Less than *half a pack* of smokes in NYC.  Ten cigarettes.  A month.
Thanks for the math.


KnC Blade? What is that! Something new? Time to buy!

But seriously I understand Electricity Costs are null right now, but once(If) these machines ever ROI, By that time BTC mined will come much closer to Electricity Cost and we can estimate the longevity of these machines until they literally make less BTC than they consume in Electric Cost.

Yep, meant Asicminer Embarrassed , and they're selling -- friedcat plays it consistently well.  My hat's off to him -- from quick & dirty chips to solid marketing.  The only bawwing in his threads is his constantly dropping prices.  Which is pretty lulzy, if you think about it Cheesy
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August 28, 2013, 05:04:17 PM
 #7505

cool, we should now discuss which PSU is best one for KNC miners.) considering this one for my Jupiter: http://www.enermax.com/home.php?fn=eng/product_a1_1_1&lv0=1&lv1=43&no=157

(local price is about 320$)

or this one http://www.corsair.com/tx850w.html

(local price is about 150$, but I'm not sure if 850W will be enough, if there will be possibility for overclocking)

any pros/cons/advice?
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August 28, 2013, 05:07:50 PM
 #7506

AX860i Corsair.

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August 28, 2013, 05:10:19 PM
 #7507

"We recommend a 600 Watt PSU with a minimum of 2x PCI-E adaptors for our Saturn model."

Hi, can somebody please explain what exactly PSU adaptors used for PCI-E?
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August 28, 2013, 05:15:21 PM
 #7508

http://www.hardwareheaven.com/reviews/1291/pg1/ocz-zt-series-750w-power-supply-review-introduction.html



Going to use 750w OCZ ZX Series psu for my Saturn
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August 28, 2013, 05:15:37 PM
 #7509

"We recommend a 600 Watt PSU with a minimum of 2x PCI-E adaptors for our Saturn model."

Hi, can somebody please explain what exactly PSU adaptors used for PCI-E?

PCI-E plugs are either 6 or 8 pin plugs. You can tell which they are because the wires are yellow and black only.
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August 28, 2013, 05:16:58 PM
 #7510

"We recommend a 600 Watt PSU with a minimum of 2x PCI-E adaptors for our Saturn model."

Hi, can somebody please explain what exactly PSU adaptors used for PCI-E?
Cx600


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August 28, 2013, 05:17:46 PM
 #7511

PCI-E plugs are either 6 or 8 pin plugs. You can tell which they are because the wires are yellow and black only.

OK, thank you! So it's simply those adaptors that used for video cards.
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August 28, 2013, 05:19:13 PM
 #7512

cool, we should now discuss which PSU is best one for KNC miners.) considering this one for my Jupiter: http://www.enermax.com/home.php?fn=eng/product_a1_1_1&lv0=1&lv1=43&no=157

That Enermax only has 2 PCI-E connectors according to the cables tab on the website.  Jupiter requires 4.  I'm not sure which PSUs supply 4 PCI-E connectors, unless we'd have to use adapters.
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August 28, 2013, 05:22:25 PM
 #7513

cool, we should now discuss which PSU is best one for KNC miners.) considering this one for my Jupiter: http://www.enermax.com/home.php?fn=eng/product_a1_1_1&lv0=1&lv1=43&no=157

That Enermax only has 2 PCI-E connectors according to the cables tab on the website.  Jupiter requires 4.  I'm not sure which PSUs supply 4 PCI-E connectors, unless we'd have to use adapters.

4x

check the page again.)
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August 28, 2013, 05:23:24 PM
Last edit: August 28, 2013, 05:38:50 PM by DeathAndTaxes
 #7514

cool, we should now discuss which PSU is best one for KNC miners.) considering this one for my Jupiter: http://www.enermax.com/home.php?fn=eng/product_a1_1_1&lv0=1&lv1=43&no=157

That Enermax only has 2 PCI-E connectors according to the cables tab on the website.  Jupiter requires 4.  I'm not sure which PSUs supply 4 PCI-E connectors, unless we'd have to use adapters.

Each cable looks like this.  There are four of them.  The linked supply has 8 PCIe connectors total.


8 PCIe connectors is actually optimal because while Jupiter only needs 4 connectors and the connector can handle 300W+ there is no easy way to know if a PSU with only 4 connector is designed to deliver that much current on the wire safely.  By the spec a PSU only needs to deliver 75W to  each 6pin connector and 150W to each 8pin connector and be compliant.   Most PSU with only 4 connectors are probably fine but there is no good way other than testing to know for sure.  The nice thing about a PSU like this (or any PSU with 8 connectors on 4 sets of cables) is you know that it can safely deliver 300W (150W + 150W) on each set of wires.
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August 28, 2013, 05:50:15 PM
 #7515

So if 1.6.W/GHps is the max power usage, and 500W is still the max total power usage for the saturn, does that mean it might perform at as much as 312 GHps?  Grin

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August 28, 2013, 05:50:34 PM
 #7516

I ordered this powersupply for my Jupiter.  I am most concerned about how we will need to power the device on. Are we expected to do the paperclip trick?

http://www.amazon.com/Cooler-Master-V1000-Modular-Certification/dp/B00CGY4ETG/ref=sr_1_1?ie=UTF8&qid=1377711992&sr=8-1&keywords=v1000
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August 28, 2013, 05:55:07 PM
 #7517

I am most concerned about how we will need to power the device on. Are we expected to do the paperclip trick?

That would be good to know.  There are adapters which have a switch if KNC isn't going to use the 24 pin connector.  I have soldered plugs with the "power on" circuit permanently closed and I just buy PSU that have a mechanical switch on the back of PSU.  Same thing as paper clip trick but a little more secure and convenient.
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August 28, 2013, 05:56:25 PM
 #7518

Good deal for a Saturn PSU
OCZ ModXStream Pro 600W Modular Power Supply $30 after $30 rebate + Free Shipping
http://slickdeals.net/permadeal/101540/newegg-ocz-modxstream-pro-600w-modular-power-supply
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August 28, 2013, 05:59:06 PM
 #7519

"Saturns Rings? Jupiters Moons? No way, this is Mars' Bitcoins"

"Fly me to the moon..... let me play among the stars..... let me see what it's like to mine on JUPITER and MARS"

Tips BTC --> 1BS2sYvy3T1cpNhie6CVFMcUrHa84a8mPa <-- Thanks! || Tips [LTC] --> LaytYJNCha7z7zcws5a2o2GWWjvWfDCGkr <--
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August 28, 2013, 06:06:28 PM
 #7520

"Saturns Rings? Jupiters Moons? No way, this is Mars' Bitcoins"

"Fly me to the moon..... let me play among the stars..... let me see what it's like to mine on JUPITER and MARS"

I like the first part
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