I’m landing second hand s9s for $250 shipped including psus and I’m at .067kwh moving to a new contract of .04kwh. Just because you make pennies a day off of s9s doesn’t mean everyone else does.
Be patient. Soon, you will be buying Brand New S9i's in the box WITH AP3++ PSU's for less than that. There is a virtual Tsunami of Brand new S9i's and S9j's hitting the secondary market. LOTS of Colo's are losing customers and their miner stock piles are sitting on the floors. Not to mention ensuing 7nm technology at our doorstep. I would go so far as to say, that some large Farms are already taking delivery, or are soon, of large blocks of the new tech from Bitmain. Legacy Technology is about to get VERY cheap. |
|
|
|
A few people have reported here https://bitcointalk.org/index.php?topic=5055138.60 about a decaying hash rate after some period of time with the LPM patch from Bitmain so I've decided to do a 12 hour test. Not sure when I'll be here to read the measurements but I will try to do at least a 3 hour, 6 hour, and 12 hour. So far 2 hours in I'm reading 13.607 th/s average at 1,177 watts at the PSU, assuming close to 1,273 watts at the wall. Those are some nice Watt numbers. I don't care much where I get my enhanced efficiency, ie;"better profitability", whether it's from drawing less current or Higher Hash rate or both. Frankly, one could argue that dropping the draw at the wall will be less stressful on the units so will not only jump your profitability, but i would assume create more longevity and stable mining. |
|
|
|
x5 S9i's pumping out 16TH under 1700watts each ... gitty up. Love that you can mix the voltages per chain
What are your chip temps at these levels?
x5 S9i's pumping out 16TH under 1700watts each ... gitty up. Love that you can mix the voltages per chain
Um....maybe I ran something wrong, but, when you put those values into a calculator your profitability drops by 30%.  |
|
|
|
|
You are correct I did not see the video. Apologies. Best of luck.
|
|
|
|
|
I don't want to be a jerk but there is so much wrong with that setup, I don't know where to start. You're blowing hot exhaust against a dead wall space, it's then deflecting and rising into your electric connections, (They don't like Heat) Coiling and furling back up over and around, back into your intakes, ( more heat )' You have no defined intake and exhaust to create clean airflow over your Chip sets. It's analogous to putting your units in their own self heating oven. If you can create a smaller well defined pathway of air intake through the units and a channeled defined exhaust out, you will be better off. Ideally you will want to control the "living space" of the units so they are living in a roughly -5 CFM pressure so the exhaust is slightly pulling air flow into your intakes. Good luck.
|
|
|
|
EDIT: I should say though, you do save ~10-13% in electricity but i've noticed about a 3-5% drop in hash rate as well.
Not trying to question you or "call you out", but you haven't measured the post LPM power usage at the wall? Please share what the source might be of the 1250 watts and the 3-5% drop in Hash rate claim. I am slowly converting S9's over to LPM and I've actually noticed a slight increase in "avg Hashrate" over 24 hours and above. I've not had the opportunity to measure power at the wall yet, but if what you say is true, "10-13% power savings and my stable to slightly higher, avg Hash Rate....over 100's of S9's, this is significant. |
|
|
|
|
Your price would be good if it was December 2017.
|
|
|
|
.. careful with this one. I got a Telegram request from "John Smith" @Smith123 trying to convince me to deal with escrow providers whose email generate Gmail verification warnings. He claims the Gmail warnings are due to the PGP block and to just ignore the warning and deposit BTC anyway and if I don't do so immediately it's because I'm a scammer He threatened to sic the SWAT team on me if I didn't send BTC right now.  He can send you email from Tomatocage or Monbux that look convincing enough (except for the Gmail verification warnings). Thank you for pointing this out on the thread. I got a weird email too. Lowlife scammers. Not sure if it is related to the original post but there is a definite scam attempt related to this thread. I was contacted on Telegram by a person that had no idea what he was doing or talking about and had a completely different story about these units than the OP. That person also deleted his account on telegram after I asked too many questions. OP, if this is legit, you might want to come in and reclaim your post and offer. otherwise, I wouldn't touch this thing with a hazmat suit on. |
|
|
|
.. careful with this one. I got a Telegram request from "John Smith" @Smith123 trying to convince me to deal with escrow providers whose email generate Gmail verification warnings. He claims the Gmail warnings are due to the PGP block and to just ignore the warning and deposit BTC anyway and if I don't do so immediately it's because I'm a scammer He threatened to sic the SWAT team on me if I didn't send BTC right now. He can send you email from Tomatocage or Monbux that look convincing enough (except for the Gmail verification warnings). Thank you for pointing this out on the thread. I got a weird email too. Lowlife scammers. |
|
|
|
|
Where did you go? Still for sale?
|
|
|
|
|
What age are these units? ( Obviously S9I are fairly new, others?)Do you have dashboard pics of their performance? Are you willing to use " Trusted Forum member Escrow" to transact the deal?
Thank you
|
|
|
|
Norm,
I think Gigawatt is having issues expanding into Grant County since they instituted a moratorium on power for Bitcoin miners, which is why they can’t get more customers into their data centers. I was close to investing in their token at launch, but luckily didn’t get involved with it as I was building out my own data centers at the time. I was interested in these S9 miners for sale until I heard they were at Gigawatt, then I was also worried about being able to get them delivered, and one of my data centers isn’t too far from them.
Also, I manage over 400 miners and I do charge 1,455 watts for 13.5 th/s miners, that is the number I get at the wall from the 3 phase Tripp lite PDUs and it correlates closely with the demand charge and usage from the electrical bill. You are right that they mostly work at rates exceeding 13.5 th/s. I only have friends/family in my data centers and I feel like I am charging the correct amounts for their units.
It sounds like the miners are $21k and the tokens are roughly $36k for a total package price of $57k, still too risky for me to get involved but maybe someone who needs 100 kW will jump on it if they need the power and have more efficient machines to put in place there. Hopefully the OP will find a buyer if he hasn’t already.
When I priced the Tokens I came up with $77,000.00. The Token price was .77. You need 100 of them. Although it now looks like these Giggoscam cats are going belly up. |
|
|
|
I can buy these with PSU for your asking price and use phillipma1957 as escrow. PM me or email at 1pmnlr@gmail.com |
|
|
|
|
Giggowatt is a POS Co. I'm sorry they got you. I recently purchased Brand new S9I 14th WITH PSU for $369.00 per set. They are Stateside so i did not pay any customs or tariffs. Not trying to rub it in. just want you to see current market.
|
|
|
|
So the OP contacted me via Skype and sent me this link to verify market price of his 100,000 WTT tokens https://coinmarketcap.com/currencies/giga-watt-token/The market price of the tokens on this page is .776514 USD, so the OP was asking $77,651 for just the tokens which gives you the right to mine with 100,000 watts of equipment at Gigawatt for 3.3 cents per kWh for the next 50 years. For those who can't tell, the last price on that coinmarketcap page is for March 27, 2018. If you put a buy order at yobit for 100,000 Gigawatt WTT tokens, that comes to right around $36,000, so the OP is trying to scam everyone for $40,000 right off the bat. Here is the market price on yobit https://yobit.net/en/trade/WTT/USDAnd the market price on coingecko https://www.coingecko.com/en/price_charts/giga-watt-token/usdI hope no one purchased WTT from this guy. This is just one example of why posters will want to communicate via Skype instead of in the forum. I am not too familiar with Gigawatt WTT tokens so if anything I posted is incorrect I will retract my statements. I'm sure others on here were sent to the same link to verify the market price of his tokens. No you are correct. I spoke with the OP via Skype. This DC where he is hosted is actually overstating his Electricity usage and understating his hashing power. ALL his 13.5 th units are showing on his dash board at exactly 13.5 and he is being billed for an at the wall consumption of 1450 watts per unit. None of my 13.5 units hash at 13.5. All are higher. None of my 13.5 units consume 1450 watts. All are lower. The DC where he is at, Gigascam has several lawsuits against them. We can see why. They are thieves. I feel sorry for the OP. He got raped on the Tokens and he's getting raped on his hash rate and power consumption. This all in package would cost over $100,000.00. It will take over a year to recoup that amount. I tried to buy just the miners, but got cold feet. I think the OP is legit, it's just that i didn't trust getting the units in working order from the DC where they are being held captive. I was worried they would send this guy some over used over worked S9's and tell him they were his. Too much risk for my taste. Best of luck to this guy. He got a raw deal from these Gigascam clowns. |
|
|
|
|
I just purchased S9's from these folks. I actually drove out to their DC and physically picked them up. I can tell you without reservation, that these people are not only legitimate but very professional and easy to deal with. Everything they said about the units is true and they are stored in a safe and secure environment. They even allowed me to boot up a couple for a "batch test" which gave me even greater comfort. I experienced excellent hospitality and their people were very helpful loading the miners and PSU's into my vehicle. I would recommend this seller without reservation or hesitation and would definitely do business with them again.
Norm
|
|
|
|
Hi guys,
I give up and shut down BTC mining, so I have 2 S9s for sale. 13.5 TH purchased from Bitmain directly.
Working Since January, stopped yesterday. Average temp while working was 75 C, in an AC room. Hashrate is stable, needed restart once a week on average.
Location: European Union
The statistics provided by you seem to be terrible. 75 C is something anyone would not like to work with & that too in an AC room. I wonder how you would have been working till date, hats off to you if this is true. Wrong. 75 C for an S9 is perfectly fine. |
|
|
|
|
You must have cheap Kwh's. What are you looking to pay per set? I have about 20 19 mh. Mine are marginally profitable but I might sell them. 6 months old.
|
|
|
|
|
Show Posts
