ANTMINER S7 is available at bitmaintech.com with 4.86TH/s, 0.25J/GH - page 161.

not.you

legendary

Activity: 1726

Merit: 1018

Quote from: guitarplinker on December 11, 2015, 04:45:41 PM

What do you guys think a fair price for a used S7 would be? Is 4 BTC reasonable for a 4.86 TH/s model? I see that newer S7's cost ~ 4 BTC from Bitmain, but they would only begin shipping around December 20th at the soonest, and they're a little slower (4.6 or 4.7 TH/s if I remember right.. I'd check but their site is down).

Thoughts?

For a model with that hashrate that's a good price (based on what you would have paid for it new from bitmain). Provided of course it works well and doesn't have any weird issues.

EDIT: I should say though at current USD\BTC price (like $450\1BTC) it makes it a high $ price.

vortexz

legendary

Activity: 1120

Merit: 1001

yeah, taking all these into account + the crazy diff increase that we will experience, it's still too much

p3yot33at3r

sr. member

Activity: 266

Merit: 250

Quote from: vortexz on December 11, 2015, 04:51:56 PM

I belive a 4 BTC is a reasonable price for a 4.86 Model, yes.

I think they are overpriced, especially if you take into account the poor support, broken promises of compensation, screwed cgminer fork, build quality, constant price swapping between USD/BTC & lack of any info/communication on this forum....

vortexz

legendary

Activity: 1120

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I belive a 4 BTC is a reasonable price for a 4.86 Model, yes.
Meaning you would pay less than 1 BTC per th/s which is good

guitarplinker

legendary

Activity: 1694

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What do you guys think a fair price for a used S7 would be? Is 4 BTC reasonable for a 4.86 TH/s model? I see that newer S7's cost ~ 4 BTC from Bitmain, but they would only begin shipping around December 20th at the soonest, and they're a little slower (4.6 or 4.7 TH/s if I remember right.. I'd check but their site is down).

Thoughts?

fr4nkthetank

legendary

Activity: 2294

Merit: 1182

Now the money is free, and so the people will be

Quote from: vortexz on December 11, 2015, 03:29:16 PM

with the current diffiiculty increase they still want to increase S7 price ?
how greedy could they be ?

in the bitcoin world, greed knows no bounds.

vortexz

legendary

Activity: 1120

Merit: 1001

with the current diffiiculty increase they still want to increase S7 price ?
how greedy could they be ?

nepaluz

newbie

Activity: 22

Merit: 0

That's probably due to the BTC rate. I will not be surprised if it gets back online with a higher USD price for the S7.

vortexz

legendary

Activity: 1120

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bitmaintech.com down ?

hazenyc

sr. member

Activity: 668

Merit: 257

Quote from: ATCkit on December 10, 2015, 09:20:10 PM

Quote from: elokk on December 10, 2015, 02:37:42 PM

Anyone using the bitmain 1600watt psu? I need to pick up some more power supplies for my s7's and considering some of these. What type of plug wire does it come with?

This might help:

http://www.cybtc.org/article-86-1.html

https://bitcointalksearch.org/topic/sould-i-get-an-apw3-12-1600-psu-for-my-antminer-s7-1177795

it doesn't come with a power cable, but takes a standard PC or PSU power cord (3 prong).
If you live in the US you need 220/240v power so you either need to find an adapter plug for a high voltage receptacle that you might have for a washing machine for example, OR if you know an electrician you can have him run a dedicated 220v circuit for you and request a standard (or a "chinese") receptacle for it that will take the standard power cord. Just be careful to label this as a 220/240v socket since it will explode any standard device plugged into it in the U.S.

aurel57

legendary

Activity: 1232

Merit: 1000

Quote from: edonkey on December 10, 2015, 11:03:24 PM

Where is our compensation for late delivery?

Come on Bitmain, make good on your promises.

I agree 100%

RichBC

hero member

Activity: 588

Merit: 500

Quote from: fr4nkthetank on December 11, 2015, 10:53:45 AM

Quote from: RichBC on December 11, 2015, 09:00:31 AM

Quote from: citronick on December 11, 2015, 08:47:10 AM

Quote from: icside on December 11, 2015, 04:51:43 AM

Quote from: citronick on December 11, 2015, 02:11:11 AM

S7 Batch 8 report...

I expected it to probably max at 4.7TH but this one touches 5TH frequently

How is this possible?

Running stock firmware at 700mhz

I am using 55% Fan speed because of the whooo... whooo... whooo sound, but this will run it hotter, a bit on high side, almost up to +10%C more than older 600mhz@S7s

Does it have a DC/DC buck converter on it?

No.

How do you know it does not have a Buck Converter? Have you had the covers off and had a look at the Hash Boards?

Rich

I looked with a flashlight, behind the wire coil (on the other side of the board), there are a few small chips and thats pretty much it. i couldnt see much though. For people wanting wattage, sorry guys my multimeter is playing hide and seek and I cant find it. I played with manual fan settings, and the higher the manual fan setting, the higher the hashrate. for some reason. doing exactly 4730ghs now at 50%, around 3600 rpm. 0.0082% hw

Well a few small chips is not what I was hoping for, although even that begs the question as to what are they for? So we will have to wait for a proper photo before we can decide why they have added the large inductor and capacitors, and also for a measure of the Core Voltage & at the wall efficiency?

I will leave my money on their being a Buck Converter as it still makes the most sense as it would have solved the core voltage being too high in a 15 node chain and the problems there have been with needing a 12V + PSU.

Rich

fr4nkthetank

legendary

Activity: 2294

Merit: 1182

Now the money is free, and so the people will be

Quote from: RichBC on December 11, 2015, 09:00:31 AM

Quote from: citronick on December 11, 2015, 08:47:10 AM

Quote from: icside on December 11, 2015, 04:51:43 AM

Quote from: citronick on December 11, 2015, 02:11:11 AM

S7 Batch 8 report...

I expected it to probably max at 4.7TH but this one touches 5TH frequently

How is this possible?

Running stock firmware at 700mhz

I am using 55% Fan speed because of the whooo... whooo... whooo sound, but this will run it hotter, a bit on high side, almost up to +10%C more than older 600mhz@S7s

Does it have a DC/DC buck converter on it?

No.

How do you know it does not have a Buck Converter? Have you had the covers off and had a look at the Hash Boards?

Rich

I looked with a flashlight, behind the wire coil (on the other side of the board), there are a few small chips and thats pretty much it. i couldnt see much though. For people wanting wattage, sorry guys my multimeter is playing hide and seek and I cant find it. I played with manual fan settings, and the higher the manual fan setting, the higher the hashrate. for some reason. doing exactly 4730ghs now at 50%, around 3600 rpm. 0.0082% hw

citronick

legendary

Activity: 1834

Merit: 1080

---- winter*juvia -----

Quote from: RichBC on December 11, 2015, 09:00:31 AM

Quote from: citronick on December 11, 2015, 08:47:10 AM

Quote from: icside on December 11, 2015, 04:51:43 AM

Quote from: citronick on December 11, 2015, 02:11:11 AM

S7 Batch 8 report...

I expected it to probably max at 4.7TH but this one touches 5TH frequently

How is this possible?

Running stock firmware at 700mhz

I am using 55% Fan speed because of the whooo... whooo... whooo sound, but this will run it hotter, a bit on high side, almost up to +10%C more than older 600mhz@S7s

Does it have a DC/DC buck converter on it?

No.

How do you know it does not have a Buck Converter? Have you had the covers off and had a look at the Hash Boards?

Rich

I did not opened the covers. I have asked my technical guy about your question and he said no.
Since its a brand new unit, I didn't want to void 90-day warranty by opening the covers.
I sent BITMAIN an email to ask though, just to be sure.

mindtrip

legendary

Activity: 1167

Merit: 1009

My batch 8 has shipped ETA delivery on Monday Grin

goxed

legendary

Activity: 1946

Merit: 1006

Bitcoin / Crypto mining Hardware.

Quote from: elokk on December 10, 2015, 02:37:42 PM

Anyone using the bitmain 1600watt psu? I need to pick up some more power supplies for my s7's and considering some of these. What type of plug wire does it come with?

It does not come with a plug wire. Customer provides her / his own 220V power cable.

pj40

full member

Activity: 180

Merit: 100

Anyone with a batch 8 in your hands, can you test how many watts each blade is consuming? I want to know if I can use my 2 850W PSU's to power it like I can my batch 3.

RichBC

hero member

Activity: 588

Merit: 500

Quote from: citronick on December 11, 2015, 08:47:10 AM

Quote from: icside on December 11, 2015, 04:51:43 AM

Quote from: citronick on December 11, 2015, 02:11:11 AM

S7 Batch 8 report...

I expected it to probably max at 4.7TH but this one touches 5TH frequently

How is this possible?

Running stock firmware at 700mhz

I am using 55% Fan speed because of the whooo... whooo... whooo sound, but this will run it hotter, a bit on high side, almost up to +10%C more than older 600mhz@S7s

Does it have a DC/DC buck converter on it?

No.

How do you know it does not have a Buck Converter? Have you had the covers off and had a look at the Hash Boards?

Rich

citronick

legendary

Activity: 1834

Merit: 1080

---- winter*juvia -----

Quote from: icside on December 11, 2015, 04:51:43 AM

Quote from: citronick on December 11, 2015, 02:11:11 AM

S7 Batch 8 report...

I expected it to probably max at 4.7TH but this one touches 5TH frequently

How is this possible?

Running stock firmware at 700mhz

I am using 55% Fan speed because of the whooo... whooo... whooo sound, but this will run it hotter, a bit on high side, almost up to +10%C more than older 600mhz@S7s

Does it have a DC/DC buck converter on it?

No.

Tupsu

legendary

Activity: 1218

Merit: 1003

Quote from: Epoch on December 10, 2015, 08:53:35 PM

Quote from: elokk on December 10, 2015, 02:37:42 PM

Anyone using the bitmain 1600watt psu? I need to pick up some more power supplies for my s7's and considering some of these. What type of plug wire does it come with?

Not sure what you're asking. This page: https://bitmaintech.com/productDetail.htm?pid=000201505040743496917U7kGsCm0694 pretty much explains it all, and has photos of all the PSU connectors. The AC input is IEC320-C13 (no cable is included; you have to provide your own); the 12V output is 12 PCI-E 6-pin cables.

Only 10x PCIE-E cables for new modell.
https://bitcointalk.org/index.php?topic=1060439.200

Topic: ANTMINER S7 is available at bitmaintech.com with 4.86TH/s, 0.25J/GH - page 161. (Read 527808 times)