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Author Topic: [40+ PH] SlushPool (slushpool.com); World's First Mining Pool  (Read 3931366 times)
dmwardjr
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October 07, 2014, 03:58:25 AM
 #18961

Well, dude who asked, "What is the explanation for BTC going down" deleted his question.

LOL

FOUND IT:

Has anybody seen what's been happening to the BTC price lately?  Yikes!!
Does anyone have any theories as to why this is happening?

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dmwardjr
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October 07, 2014, 04:04:09 AM
 #18962

The more I think about it... The new Bitmain Antminer S4 is a good choice for the price.  Especially, since it includes a built in PSU [Gold Rated].  My ONLY concern is IF the built in PSU goes down, can it be EASILY hooked up to an external 1600 Watt PSU?

Is there anyone on this forum who has an S4 [Who may have opened it up] that could tell me if it can easily be hooked up to an external PSU in the event the internal PSU goes down?

It would take 4 Antminer S3's to make 1 S4.  THEN you have to buy 2 PSU's to power the 4 S3's.  Yet, you are still short approximately 200 GH/s from the 2 TH/s hashing power of the S4.

ALSO, 4 Antminer S3's with two Corsair AX860's [PLATINUM] would be a combined total of 1440 watts at the wall.  You get 200 GH/s more hashing power with the S4 and 1380 Watts at the wall.  60 Watts LESS POWER WHILE GAINING 200 GH's more hashing power.  THAT IS EXTREMELY ATTRACTIVE!

I'm tempted to buy 2 S4's instead of 10 S3's.  VERY TEMPTED!!!!

Yes, the S4 requires 30 AMP outlets with a 20 AMP splitter cord to make it possible to hook up 2 S4's on a 30 AMP circuit.  I've already addressed this earlier on page 940 of THIS forum.

10.5 min avg blocks since new diff so might not go up much next round except even at that ridiculous price batch 1 s4 sold out in 12 hours


Batch 1 wasn't that large to begin with, this is from their post in S4 thread:
S4'B1 is limited in quantity, as it is the first mass production after the development stage.

understood still dont see how anyone would buy that 3.4 btc for .01 w gh/s improvement over s3+ .069 vs .070 when 2 s3+ is 1.16 and prob cheaper you can get 4 for over 1 btc cheaper and have same hash rate and I know it has an integrated psu so they wont have to buy 2 140 dollar psu's but they have to find a 16 amp power cord that fits hmmmmm... gonna be tuff 15 amp is what 12 gauge and thats already thicker then standard computer power cord bet it costs a bit and as standard outlets in the us are 15 amp rated I'm sure warranties will be void

Agree, I wonder if they noticed that server psu and those 4 large fans? It is going to be very loud.
S4 was obviously geared for their hosting option or a data center not the home. Either way you will never see ROI with it but sheep will be sheep.
yup i was looking online and it appears only 250 volt solutions for above 15 amp power cords

Wouldn't surprise me if the S5 when it comes out is a 220v only, just hope they don't drop the S3 line.

Don't let this come across as "attacking" anyone:

You fail to realize the S4 COMES WITH A POWER SUPPLY BUILT IN.  YOU DO NOT HAVE TO BUY A PSU TO POWER THE THING.  We have to buy PSU's to power the 3 or 4 Antminer S3's to get about the same hashing power.  I prefer the S3+ at this point in time.  However, the S4 will probably have a greater resale value down the road if you choose to get out of mining at some point in time.

So, you save money not having to buy PSU.  Their PSU is GOLD rated and not PLATINUM rated like my Corsair AX860's powering my S3's.

Also, someone made a good point about the "watts consumed at the wall."  Approximately 1400 watts OR 1380 watts to be exact when you multiply the .69 watts x 2,000 GH/s.

TRY putting two of these on a 20 AMP circuit; EVEN WHEN YOU REPLACE THE STANDARD 15 AMP RECEPTACLE (OUTLET) WITH A 20 AMP OUTLET.  You would only be able to put ONE of these bad boys on that ONE 20 AMP OUTLET.  20 AMPS will drive 2400 WATTS.

Do the math:  1400 watts x 2 Bitmain Antminer S4's is 2800 WATTS.  The 12/2 wire will get too hot.  IF you have 14/2, YOUR HOUSE WILL BURN DOWN if the breaker doesn't trip!

SOLUTION:

RUN 10/3 wire [Rated at 30 AMPS] to a 30 AMP OUTLET [NEMA L-14-30-R (circular/4 prong)].  IT MUST BE NEMA L-14-30-R/CIRCULAR.  OTHERWISE, IT WILL NOT ALLOW THE NEXT THING I MENTION TO PLUG INTO IT.


http://www.homedepot.com/p/Pass-Seymour-30-Amp-Self-Grounding-Locking-Single-Outlet-Receptacle-Black-L1430RCCV3/100155901?N=5yc1vZc33aZ1z11vjb#specifications



THEN GET THE FOLLOWING EXTENSION CORD [3 ft. Generator 30 Amp 4-prong to 15-20 Amp (x2) Y-Adapter] TO PLUG INTO THE NEMA L-14-30-R OUTLET:

This extension cord splits INTO TWO 20 AMP PLUGS to plug in two Bitmain Antminer S4's.  It's only 3 feet but it gets the job done.


http://www.homedepot.com/p/Rodale-3-ft-Generator-30-Amp-4-prong-to-15-20-Amp-x2-Y-Adapter-G30AM420AY/202669114?N=5yc1vZc4neZ1z11vjb




DON'T FORGET THE DOUBLE POLE 30 AMP BREAKER.

http://www.homedepot.com/s/double%2520pole%252030%2520amp%2520breaker?NCNI-5


Problem solved; IF YOU HAVE THE S4's in mind.  Now you have 30 AMP circuit [3600 watts] for the 2800 watts required for two S4's

David

Exactly and now you have spent more money then buying your 2 1000w gold psu's for powering your s3+ and still spent 1 btc more fore same hash rate to get a .001 better efficency anyone who buys s4 is doing it wrong unless you already have the infrastructure it is not home miner friendly at all and with 5% diff jumps will mine 2.45 btc before un profitable so upside down it will always be i was really hoping for a 2 btc price point and a home friendly setup but they are pushing there hosting thru hashnest supa hard atm Grin

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dmwardjr
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October 07, 2014, 04:37:43 AM
 #18963

2014-10-06 05:04:32 yesterdays block...

DUE ANOTHER BLOCK SHORTLY...IF WE HAVE THE SAME LUCK TODAY AS YESTERDAY.  

It is 04:37 Slush's time.

0.83650499 BTC earned since Monday, 2014-09-29 01:04:19 with 4.6 TH/s farm.  NOT BAD  NOT BAD

DAMN I want two S4's to add to my farm soon.  COME ON BLOCKS...  FALL IN PLACE FOR US NOW!!!

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October 07, 2014, 06:43:19 AM
 #18964

8.1 PH ! Is ths a new record for Slush? I have never seen it this hgh before. A whole PH jumped in today.
We must not be qwuiet enough, so wets be vwey vwey qwuiet, shhhh.
My measley 3 TH is getting swamped. Sad
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October 07, 2014, 06:51:33 AM
 #18965

8.1 PH ! Is ths a new record for Slush? I have never seen it this hgh before. A whole PH jumped in today.
We must not be qwuiet enough, so wets be vwey vwey qwuiet, shhhh.
My measley 3 TH is getting swamped. Sad


I'll trade ya my little 40 Gh/s that earns a whopping 0.0001300 per block. I'll be a millionaire in no time!

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October 07, 2014, 02:39:01 PM
 #18966

Check out what this guy just took off-line because it is no longer profitable. https://bitcointalk.org/index.php?topic=813649.0

BTC ADDRESS: 12Qwd8VKLQ4xF44ytHXBpCAKuF9VknG4X2
dmwardjr
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October 07, 2014, 03:11:33 PM
 #18967

Check out what this guy just took off-line because it is no longer profitable. https://bitcointalk.org/index.php?topic=813649.0


He had a decent amount of hardware.  However, we did NOT see what is still hooked up.  He said he still had S3's hooked up.  I personally believe he simply upgraded his equipment.  Those S1's are 355 watts at the wall just like the S3's.  However, less than half the hashing power of the S3's.

That is a COMMERCIAL building.  In Alabama it is 0.15 per kWH [Residential] and 0.37 per kWH [Commercial].  He could be shutting down because of power costs in relation to BTC price.  It's possible.  Especially, if he is paying COMMERCIAL power prices.

http://www.alabamapower.com/residential/pricing-rates/pdf/Bill_Calculation_Factors2014.pdf

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dmwardjr
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October 07, 2014, 03:49:57 PM
 #18968

8.1 PH ! Is ths a new record for Slush? I have never seen it this hgh before. A whole PH jumped in today.
We must not be qwuiet enough, so wets be vwey vwey qwuiet, shhhh.
My measley 3 TH is getting swamped. Sad


Either we have more players coming to the game of mining or we have other miners who've seen the light after spending some time at other pools.

We could also have some miners who have been on slush for quite a while who have upgraded their S1's to S3's, purchased S3's on eBay, etc...

Also, several are renting LOTS of TH/s of hashing power in the Cloud and hopping around from pool to pool.

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dmwardjr
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October 07, 2014, 06:57:07 PM
 #18969

Damn!!!

6 hours 48 minutes without a block thus far

 Cry Cry Cry Cry Cry Cry


8066815 Ghash/s and NO BLOCK YET!!!

5 hours, 7 minutes (can vary greatly depending on our luck) to find a block with 8.066815 PH/s.  Luck is a little low at the moment...

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October 07, 2014, 07:46:54 PM
 #18970

Damn!!!

6 hours 48 minutes without a block thus far

 Cry Cry Cry Cry Cry Cry


8066815 Ghash/s and NO BLOCK YET!!!

5 hours, 7 minutes (can vary greatly depending on our luck) to find a block with 8.066815 PH/s.  Luck is a little low at the moment...
It's still at 125% for the day.
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October 07, 2014, 08:18:44 PM
 #18971

Damn!!!

6 hours 48 minutes without a block thus far

 Cry Cry Cry Cry Cry Cry


8066815 Ghash/s and NO BLOCK YET!!!

5 hours, 7 minutes (can vary greatly depending on our luck) to find a block with 8.066815 PH/s.  Luck is a little low at the moment...
It's still at 125% for the day.

yup

I'm NOT leaving.  Sticking here through thick and thin.

8 hours now.

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October 07, 2014, 09:54:20 PM
 #18972

It has been a while since our last 24+ hour block, that is when you find out who the true slushes are. Smiley

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October 07, 2014, 10:04:25 PM
 #18973

It has been a while since our last 24+ hour block, that is when you find out who the true slushes are. Smiley
we speak not of these things, instead we strip , we dance, we make rain!!   Shocked Shocked Shocked

BTC ADDY just in case you are my rich uncle lol 1GmrgmiAWKA4yXuo4JECxyvzzjnBEtGwwL
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October 07, 2014, 11:55:54 PM
 #18974

i have a dream! that one fay all blocks shall be found by us!

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October 08, 2014, 12:07:16 AM
 #18975

I'm leaning more towards buying S4's than buying any more S3's.  My farm is downstairs in the recreation room against the wall adjacent to the garage.  It's nothing to change out the wiring to 10/3 AWG; install 30 AMP NEMA L-14-30-R outlets [circular]; install 30 AMP 2 POLE BREAKERS and plug in a 3 ft. Generator 30 Amp 4-prong to 15-20 Amp (x2) Y-Adapter which will power two S4's.

BY THE WAY:  DOES ANYONE KNOW IF THE INTERNAL PSU GOES BAD IN AN S4, IS IT EASY TO CONNECT AN EXTERNAL PSU TO KEEP IT GOING?

I'm in the process of installing a 125 AMP SUB PANEL [QO SQUARE-D].  That is enough for four (4) 30 AMP outlets to power eight S4's [16 TH/s].

8 S4's x 1380 watts at the wall = 11,040 watts for 16 TH/s TOTAL without over clocking at 2 TH/s EACH connected to four 30 AMP outlets.

OR

30 S3's x 368 watts at the wall [with Corsair AX860 PLATINUM PSU's] = 11,040 watts for 13.65 TH/s [without over clocking] at average of 455 GH/s EACH connected to five 20 AMP outlets.

To me it's a NO BRAINER to invest in S4's for more hashing power with lower costs in power consumption.  I'm keeping my 10 S3's with four more on the way for a total of 14 S3's.  However, those four S3's will be the last S3's I purchase.  I believe it is S4's from here on out till I have 8 of them.

That means [when completed] my house farm will be 6.37 TH/s of S3's [5,152 watts total] at average of 455 GH/s each [without over clocking] and 16 TH/s of S4's [11,040 watts total] at 2 TH/s each.  

TOTAL = 22.37 TH/s Hashing power with 16,192 watts [Divided by 120 watts per amp = 134.93 AMPS] at the wall.  

That leaves me 65.07 AMPS for the rest of the house.  The AC runs at 19 AMPS when it is on.  It starts with 30 AMP surge then settles down to 19 AMPS.  ALL LIGHT BULBS in the house are LED.  So I believe I'm good to go with the 200 AMP MAIN BREAKER PANEL and everything else running in the house, such as AC, stove and oven, fridge, freezer, LED TV (only two - LED TV's - use less power than any other type of TV out there) and LED lights.

Power cost 1 month:           1774.24 USD @ 0.15 per kWH
Revenue per 1 month:         3290.69 USD @ $340.00 for 1.0 BTC / 34,661,425,924 Difficulty
Less power costs 1 month:   1516.46 USD @ $340.00 for 1.0 BTC

We need BTC to go up to $440.00 US and the difficulty to stay around 35,579,431,281:

Power cost 1 month             1774.24 USD @ 0.15 per kWH
Revenue per 1 month           4258.54 USD @ $440.00 for 1.0 BTC / Estimated Next Difficulty: 35,579,431,281 (+2.65%) Source: BitcoinWisdom
Less power cost:                  2484.31 USD @ $440.00 for 1.0 BTC / Estimated Next Difficulty: 35,579,431,281 (+2.65%) Source: BitcoinWisdom

IF BTC went up to $540.00 US and the difficulty went up to around 42,579,431,281 the profitability would be almost the exact same:

Power cost 1 month             1774.24 USD @ 0.15 per kWH
Revenue per 1 month           4254.50 USD @ $440.00 for 1.0 BTC
Less power cost:                  2480.26 USD @ $440.00 for 1.0 BTC


AT PRESENT ON SLUSH WITH 23.7 TH/s HOUSE FARM WOULD BE THE FOLLOWING:

8230601 GH/s (8.230601 PH/s OR 8231 TH/s) is the TOTAL HASHING POWER OF SLUSH ON AVERAGE AT THE MOMENT (estimated)
Block found in 5 hours 7 minutes on average (luck plays a part in it as well).

0.07013480 PER BLOCK FOUND with 23.7 TH/s (estimated) x 5 blocks each day = 0.35067402 each day

THAT WOULD TOTAL 10.5202207 BTC EVERY 30 DAYS

10.5202207 x $340.00 BTC = $3,576.88 US - $1,774.24 for power consumption; with present difficulty
10.5202207 x $440.00 BTC = $4,628.90 US - $1,774.24 for power consumption; with Estimated Next Difficulty: 35,579,431,281 (+2.65%) Source: BitcoinWisdom

So my math compared to the calculator at http://www.bitcoinx.com/profit/ isn't too far off to my first estimate by that calculator.

IF that link does not load the calculator, HIT REFRESH and it should come up.  Also, I believe the "Profitability Decline Per Year" at 0.61 will be much less as difficulty goes up without the price of BTC going up with it.  That profitability calculator was made when the Difficulty was just over 19 Billion.



NOT BAD AT ALL FOR A HOUSE FARM.

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dmwardjr
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October 08, 2014, 12:13:06 AM
 #18976

It has been a while since our last 24+ hour block, that is when you find out who the true slushes are. Smiley

The TOTAL HASH POWER OF THE POOL stayed up there over 8 PH/s the whole time.  Well, it did get down to 7.9_____ PH/s for a moment.  However, it stayed about 8 PH/s for the most part.

I think we have more converted Slushers AND older Slushers who have obtained more hashing power!

We are still steady at 8084859 Ghash/s or 8.085 PH/s

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October 08, 2014, 02:57:26 AM
 #18977

come on, Slush

we need a damn block

two of them within 5 minutes of one another.

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October 08, 2014, 03:38:53 AM
 #18978

MAKES NO DAMN SENSE...

ALL THIS HASHING POWER AND IT TAKES US LONGER TO FIND A BLOCK...

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October 08, 2014, 04:05:05 AM
 #18979

It's only been 5hr45min. That's not too long here at slushs. I look at anything over 16hrs long here. Anything under that I can live with. It is nice when we are nailing them down though Grin

Listen: meat beat manifesto ~ Edge of no control (pt.1)
Read:"He who controls the past controls the future. He who controls the present controls the past." ~ George Orwell
Think: http://unenumerated.blogspot.com/2014/12/the-dawn-of-trustworthy-computing.html
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October 08, 2014, 04:15:49 AM
 #18980

MAKES NO DAMN SENSE...

ALL THIS HASHING POWER AND IT TAKES US LONGER TO FIND A BLOCK...

You can't look at variance on a block by block basis. It's like flipping a coin and after one go saying "Wow, we've had a big run of heads lately". Generally luck averages out over the long term, but the block solving time can very wildly from one to another. Posting in caps that it doesn't make sense doesn't really make a lot of sense.
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