Topic: ANTMINER S7 is available at bitmaintech.com with 4.86TH/s, 0.25J/GH - page 377. (Read 527816 times)

What are is that and can I move there?

13 cents power is still fine for scypt mining and even with efficient miners like the s7
You could still potentially ROI assuming BTC goes back up to 300.

Stop saying home Mining is dead woe is me etc etc

Yes its not super profitable and a no brainer but at the very least winter mining is still viable
And summer as well with a cheap cooling setup

Not much to talk about until it is shipped.
Cooling and noise solutions-i would be interested.

It is looking bad on difficulty.  Guess we will see over next few periods, but I sure liked summer mining with low numbers.  Looks like this winter will be interesting.

Also on warranty I expect they ship a paper and send a email of way's that violate it.  If you don't follow rules the warranty goes away quicker then 90 day's.  So overclock or improper power .... no warranty

90 day warranty ..after 90 days she blows that is 1882 bucks gone poof imho.....difficulty is shooting up with knc 16nm chips flowing into their large data hall now......also bitfury 16nm just said tape out so figure they will take over the pump when knc is done then same diff rise poka...looks to me like we could be seeing above 5% diff for the next 4-6 months per pop or more

just saying it looks ugly

this can be done into a rig of 4 of them like 18 TH and its just 5000$ and the roi will be like 267 days then can be deprecated into 1000$ sells of them all just a 1000$ profit can be like it no?

I am trying to figure out if the new 3.9-4.9c 6 mo residential rate in my area is real and not a gimmick and if yes, how to get out of my current 10c rate with still two-three months to go. i will probably have to endure as it costs $150 to cancel.

whats your electric rate if you don't mind telling us?  My rate is fixed year round 13c kwh .....so the boat don't float

(also 2 titan(s) in basement not yet to doorstop status that is 2500 watts ...so looking at this beast I shudder of the vision on my 100 amp service melting )

but really at 13c kwh home mining is dead .......alas and I think? this beast only has a 90 day warranty? if so ....with heat/power etc I wonder if that is warranty is robust enough of only 90 days?
(then again KNC has a 1 year warranty but basically have closed shop so maybe don't matter much...if you can't get help )

I ordered 4 today at 1823 USD   ( 7.569 BTC ) each.  I was pleasantly surprised that the USD price wasn't higher...

Anyone got a coupon that they do not need?

Please send it to me.

Thanks!

See https://bitcointalksearch.org/topic/should-bitmain-make-a-q7-1165938 

It's been a week and batch 1 still hasn't sold out. Either they planned on a lot more units purchased, or there are enough negatives (cost, noise, power consumption, etc.) that it's just not moving that fast.

If sales are sluggish, maybe Bitmain will think about a less dense S7 Mini model that might have more general appeal.

 Operating temp refers to the AMBIENT temp, not the temp inside the unit itself.


 If you know what you are doing, and have easy access to the panel, 220V circuits aren't hard to wire.
 IMO best to stick with NEMA 6 type outlets for them though, to avoid accidentially plugging a 110 device into a 220 circuit (I'm not sure but I don't think the NEC allows NEMA 5 type outlets on a 220 circuit even though they technically CAN be made to handle 220).


 Common USA residential and office/most commercial location outlets are generally 110V, but some heavy appliances use 220V - electric clothes driers, most electric water heaters, electric ranges/stoves, a few VERY large window air conditioners - and commercial locations intended for shop/light industrial usage are fairly likely to have at least a few 220V outlets and rarely 3-phase outlets at 220V or 440V.

 Industrial/factory locations will have a much wider range, since they're likely to have VERY high power equipment in use. I don't even want to THINK about trying to run a blow-mold machine (for one example I'm somewhat familier with) on anything less than 440 3-phase power.

Very clever set up. Are blowing cold air from an Air Conditioner through the black pipe at the back or just air from outside?

Nice. similar to how I'm cooling my S5s now.

Its easy as log as you want the 220v plug-in close to your panel (eg mine is in the basement where I have my miners) but once you buy a 220v breaker it will pull 110v off each leg and give you the 220v. Just match the breaker, plug, outlet and wire for the same amps you want. The only other thing is how much your pulling off your panel already and what size service you have coming in to the main breaker.

Thank for clearing that up. So i do mean watercooker. 

off-topic but just to note:
this is a waterheater as typically referred to in the U.S.

They're for heating large volumes of water and keeping it hot for things like showers.  Those tend to be on their own circuit, possibly along with washers, dryers, etc.  In good chunks of Europe, especially NL where beffje is from, heating water for showers, central heating (water radiators) and such tends to be done with gas-powered boilers instead.

In contrast, this is a watercooker as typically referred to in the U.K. and much of Europe:

This is a compact unit - maybe up to a gallon, typically - basically replacing the stove kettle (and in the U.S. more commomly called an electric kettle)  These are often rated around 2kW.  On a 220-240V circuit as is the norm for almost all outlets (save 'shaver' outlets) in Europe, that's not much of an issue.  I've seen scant few of these in my travels around the U.S., most people boiling water on their stoves instead.  I don't know if that's so much a function of the typical outlet ratings (if you check amazon.com vs amazon.co.uk for these devices, you'll see that most of them are around half the wattage, thus would take longer to heat up the water) or one of familiarity; for the same reason that "now you're cooking with gas" is an idiom in the U.S. while in The Netherlands and northwest Germany, electric has only started to be an option presented when buying funished kitchens about 6 years ago (there was a brief induction cooking fad), even though it's a superior cooking platform (cost aside - natural gas here is cheap thanks to European and Russian gas fields).

Semi back on-topic: Anybody wanting to run an S7 most likely would put it in a room along with the other heavy appliances on account of the noise and heat anyway, so that shouldn't be an issue.  Push comes to shove you can always check if the power company can open up a 3-phase outlet in that residential area and work with that.

Since this turned into a power thread, how hard is it to wire a 220v circuit in my house in the US where everything is 120v?

It was a good run of low difficulty increments and even a few drops in difficulty, but it couldn't last forever.