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

[BTCDDev]

I can get electricity under $.07 / kWh. Still profitable?

[alh]

I can get electricity under $.07 / kWh. Still profitable?

You have to decide what is "profitable" to you. Operating profit? Pay off cost of miner after expenses? How long a time frame? What's your guess on difficulty changes? Effect of the "halving" in about 17 weeks?

In case you haven't used: https://bitcoinwisdom.com/bitcoin/calculator

Sorry for the terse reply, but you aren't a Newbie.

[BTCDDev]

I can get electricity under $.07 / kWh. Still profitable?

You have to decide what is "profitable" to you. Operating profit? Pay off cost of miner after expenses? How long a time frame? What's your guess on difficulty changes? Effect of the "halving" in about 17 weeks?

In case you haven't used: https://bitcoinwisdom.com/bitcoin/calculator

Sorry for the terse reply, but you aren't a Newbie.

Ha, it's fine.

I've already bought the miners, so I guess it's a moot point  

I've used that calculator. If it doesn't ROI, it should get pretty close. Hopefully the price goes up at the halving, we'll just have to see.

At any rate, I want to support the network.


I haven't bought any hardware from Bitmain before, hopefully they ship my psu's quickly and the miners quickly when they ship march 15

[nhando]

I have a EVGA G2 1300W PSU for sale which is great for powering the S7 as well as extra EVGA single PCI-E cables that I can sell for cheap.  I also have a bunch of left over PCI-E cables for server PSU.  PM me if anyone is interested.  Doing some Spring cleaning.  =)

Thanks for all the PM.  This has now been sold.   

[AriesIV10]

I have 20 each ANTEC EA750 Platinum / EarthWatt Platinum 750W PSUs for sale at $90 each OBO with volume. 

http://www.amazon.com/ANTEC-EA750-Platinum-EarthWatt-750W/dp/B00IWWY5BI

You will need 1 for each hashing card so, you will need 3 to run 1 Antminer S7.

These are Platinum with 10 year warranty!

PM me if interested.

[notlist3d]

I have 20 each ANTEC EA750 Platinum / EarthWatt Platinum 750W PSUs for sale at $90 each OBO with volume. 

http://www.amazon.com/ANTEC-EA750-Platinum-EarthWatt-750W/dp/B00IWWY5BI

You will need 1 for each hashing card so, you will need 3 to run 1 Antminer S7.

These are Platinum with 10 year warranty!

PM me if interested.

Price does not make sense really though.  Your talking 270ish to run 1 S7.   You can get the bitmain PSU for 140, so almost half of the cost. And you only have 1 PSU vs 3 much cleaner.

Even if stuck on 110/120 I think there are much better options price wise.

[mtmining2]

I have 20 each ANTEC EA750 Platinum / EarthWatt Platinum 750W PSUs for sale at $90 each OBO with volume. 

http://www.amazon.com/ANTEC-EA750-Platinum-EarthWatt-750W/dp/B00IWWY5BI

You will need 1 for each hashing card so, you will need 3 to run 1 Antminer S7.

These are Platinum with 10 year warranty!

PM me if interested.

Price does not make sense really though.  Your talking 270ish to run 1 S7.   You can get the bitmain PSU for 140, so almost half of the cost. And you only have 1 PSU vs 3 much cleaner.

Even if stuck on 110/120 I think there are much better options price wise.

I have 20 each ANTEC EA750 Platinum / EarthWatt Platinum 750W PSUs for sale at $90 each OBO with volume. 

http://www.amazon.com/ANTEC-EA750-Platinum-EarthWatt-750W/dp/B00IWWY5BI

You will need 1 for each hashing card so, you will need 3 to run 1 Antminer S7.

These are Platinum with 10 year warranty!

PM me if interested.

Price does not make sense really though.  Your talking 270ish to run 1 S7.   You can get the bitmain PSU for 140, so almost half of the cost. And you only have 1 PSU vs 3 much cleaner.

Even if stuck on 110/120 I think there are much better options price wise.

Ya and you can get down to ~$100-115 per S7 (2 S7's on one supply) if you can run 240V and get the IBM 2880's with breakouts from j4bber/finksy

[kaltar]

[/quote]

Ya and you can get down to ~$100-115 per S7 (2 S7's on one supply) if you can run 240V and get the IBM 2880's with breakouts from j4bber/finksy
[/quote]

even cheaper from them is their dual 2000W for around 250$ that can power 3 S7

[nhando]

120V = EVGA best bang for the buck.  240V = IBM PSU best bang for the buck.  Although people are getting smarter and know this so price are increasing fast.  

P.S Good PSU are great investment when buying used.  You almost get 100% if not more back on your investment as the demand is always there unlike Mining equipment.

[Mikestang]

even cheaper from them is their dual 2000W for around 250$ that can power 3 S7

Wouldn't a dual 2000W psu be a 4000W psu?

Looked funny at first, you claiming a 2000W psu could power 3600W of miner until I saw "dual" in front.

[HagssFIN]

even cheaper from them is their dual 2000W for around 250$ that can power 3 S7

Wouldn't a dual 2000W psu be a 4000W psu?

Looked funny at first, you claiming a 2000W psu could power 3600W of miner until I saw "dual" in front.

It's 2pcs DPS-2000BB -package.  Check this post and thread: https://bitcointalk.org/index.php?topic=1308296.msg13758920#msg13758920

[nhando]

even cheaper from them is their dual 2000W for around 250$ that can power 3 S7

Wouldn't a dual 2000W psu be a 4000W psu?

Looked funny at first, you claiming a 2000W psu could power 3600W of miner until I saw "dual" in front.

Yes, he meant 2 x 2000W IBM PSU using J4bberwock 4K board to combine them together.  You can power 3 x S7 with that combo and even have room to overclock them.  Super Quiet and a power combo, unfortunately many people are starting to learn this and the PSU price is climbing a lot more now.   Best bang per S7

[yslyung]

can't seem to login to bmt account. i'm seeing unknown error !!!

[philipma1957]

can't seem to login to bmt account. i'm seeing unknown error !!!

It is working now but cloud flare ddos is also working.

[AriesIV10]

I just bought 11 more S7 B12.  Although, I do believe that there will soon be another more efficient model coming out.  BITMAIN usually comes out with a hybrid first, then sells used ones, then releases a new model.  I am not expecting this same trend this time.

What are your thoughts?

[OgNasty]

I just bought 11 more S7 B12.  Although, I do believe that there will soon be another more efficient model coming out.  BITMAIN usually comes out with a hybrid first, then sells used ones, then releases a new model.  I am not expecting this same trend this time.

What are your thoughts?

I think they will continue to aggressively lower prices to get as many of these units out the door as possible and will not even consider selling another more efficient miner until something concrete is released using BitFury chips.  Once you see them selling large numbers of used S7's (my last "new" batch 11 miner was obviously heavily used), you know they are populating their centers with the new miners.  I believe (perhaps wrongly) they already have prototypes of a 16nm chip running, which by my estimate means we will see a new miner from Bitmain using 16nm tech around early June.  I do not believe we will see a S7+ as the S5+ is viewed by Bitmain employees as a spectacular failure.

All of this is just baseless speculation by the way.

[philipma1957]

I just bought 11 more S7 B12.  Although, I do believe that there will soon be another more efficient model coming out.  BITMAIN usually comes out with a hybrid first, then sells used ones, then releases a new model.  I am not expecting this same trend this time.

What are your thoughts?

I think they will continue to aggressively lower prices to get as many of these units out the door as possible and will not even consider selling another more efficient miner until something concrete is released using BitFury chips.  Once you see them selling large numbers of used S7's (my last "new" batch 11 miner was obviously heavily used), you know they are populating their centers with the new miners.  I believe (perhaps wrongly) they already have prototypes of a 16nm chip running, which by my estimate means we will see a new miner from Bitmain using 16nm tech around early June.  I do not believe we will see a S7+ as the S5+ is viewed by Bitmain employees as a spectacular failure.

All of this is just baseless speculation by the way.

I see a batch 13 at under 600 usd for sure. And I do not see an s-7+.

I do not know if they will do a batch 14.

[notlist3d]

I just bought 11 more S7 B12.  Although, I do believe that there will soon be another more efficient model coming out.  BITMAIN usually comes out with a hybrid first, then sells used ones, then releases a new model.  I am not expecting this same trend this time.

What are your thoughts?

I think they will continue to aggressively lower prices to get as many of these units out the door as possible and will not even consider selling another more efficient miner until something concrete is released using BitFury chips.  Once you see them selling large numbers of used S7's (my last "new" batch 11 miner was obviously heavily used), you know they are populating their centers with the new miners.  I believe (perhaps wrongly) they already have prototypes of a 16nm chip running, which by my estimate means we will see a new miner from Bitmain using 16nm tech around early June.  I do not believe we will see a S7+ as the S5+ is viewed by Bitmain employees as a spectacular failure.

All of this is just baseless speculation by the way.

I see a batch 13 at under 600 usd for sure. And I do not see an s-7+.

I do not know if they will do a batch 14.

The only reason on S7+ would to sell them 3 miners at a time.  But your right they can do the same thing by lowering price... and then they have to make 0 changes and can use the IO board with 3 ports.   

I just wish we knew internal price on these.  They have been able to drop price without issue it seems.  So curious what they actually pay as when we talk under 600 dollars that is a ton off of batch 1.

[philipma1957]

I just bought 11 more S7 B12.  Although, I do believe that there will soon be another more efficient model coming out.  BITMAIN usually comes out with a hybrid first, then sells used ones, then releases a new model.  I am not expecting this same trend this time.

What are your thoughts?

I think they will continue to aggressively lower prices to get as many of these units out the door as possible and will not even consider selling another more efficient miner until something concrete is released using BitFury chips.  Once you see them selling large numbers of used S7's (my last "new" batch 11 miner was obviously heavily used), you know they are populating their centers with the new miners.  I believe (perhaps wrongly) they already have prototypes of a 16nm chip running, which by my estimate means we will see a new miner from Bitmain using 16nm tech around early June.  I do not believe we will see a S7+ as the S5+ is viewed by Bitmain employees as a spectacular failure.

All of this is just baseless speculation by the way.

I see a batch 13 at under 600 usd for sure. And I do not see an s-7+.

I do not know if they will do a batch 14.

The only reason on S7+ would to sell them 3 miners at a time.  But your right they can do the same thing by lowering price... and then they have to make 0 changes and can use the IO board with 3 ports.   

I just wish we knew internal price on these.  They have been able to drop price without issue it seems.  So curious what they actually pay as when we talk under 600 dollars that is a ton off of batch 1.

I have heard 400 to 500 .

But if they sell them at 550-600 they will be used.  this was done before and they even said the last s-5's they sold were used.

[alh]

You know, there's nothing to say that Bitmain didn't internally didn't deploy an S7+ like apparatus. The controller had all 9 ports at one time, and they could have easily done so in-house without ever selling it to the public. If/when they decide to sell those units, they pop on two 3-port controllers and ship them out. Vacuuming them is optional to make them look more "new".....