Topic: Announcement: full set 1.4TH/S miner 1050W A1 28nm miner 0.74watt/GH/S/0.87$ (Read 2935 times)

Actually the units I have actually do run at 1.2Ths. The problem is the PSU. I don't expect the PSU to last too long. So they did manage to pull it off performancewise. I am still trying to get a SUSTAINED performance metric which is what really matters to get an average which likley will be lower due to discards and HW errors so maybe even close to the numbers you are stating. But to start with the miners I have do perform at their rated speed. I just don't expect the PSUs to hold up as they are dangerously close to the max which is not the continuous load those PSUs would support.

I meant no offense to any HKers lol.

Ouch! I wouldn't say that to a native of Hong Kong......

As I said I am not against china  a I am against lairs
1.4t with that amount of chips and power dirty lie that's all over spec ...
For me 5 modules will ever be 1t or 1.1t maxxxxx

I mostly agree with loshia on this. The china thing I don't totally agree with but do to some extent. Bitmain operates out of Hong Kong (technically China), I think some good stuff can come out of China....BUT yea avoid this at all costs.

These are the same machines AMT is hawking around and you only need to read the first few and last pages of any of the threads to know whats going on. If the build quality is the same (as they have yet to show proof) they likely will come to you missing power supplies and already having been used for mining and rusty metal in the packaging and who knows what else. Since AMT is done for this could be them under an alias account trying to sell this hardware. They did say they would do exactly this.

No open source software no customers!
Avoid this folks
Besides remove 40% from hash rate and add 20% to power usage
1.4T from five modules if the pic is real at all is just a dirty lie
Hey china boys are my estimations correct
Do not buy this stuff just because they do not play fair not because miner origin is from china

So far all the people selling these types of miners are of a shady variety. Notice AMT being one, these guys and the other guys are the same exact miners. Probably same factory selling through a variety of front companies. Just looking at the specs based on the A1 boards the PSUs on these will burn out within a month or sooner hence their inability to provide any guarantee on quality. Stick with companies willing to stand by their product. Bitmain and spondoolies have shown at least that much commitment to their products. Quick to respond and replace any issues OR compensate if its warranted. These guys cannot and seem to have no interest in that. You have been warned.

1080 consumption on an 1100 watt power supply is not good. There is no overhead or very little if ANY overvoltage protection. Which means these PSUs could go within a week to a month. Which will be more expense for the customer to replace as they likely will not.

Avoids this!! NO ESCROW and sellers admit they had quality problem in past!

No escrows or paypals = avoid!  I even agrees with Dogie for once!  Sellsman stars off like he design it, he is a seller! And nots a good one!

The point of escrow is to protect both parties so I can't do what is described above and ensure you send what I pay for, but it's your choice will buy from pcfli instead.

No escrow. before we accept paypal. now only bitcoin and bank transfer
Because WE have one buyer buy 2 miner from us by paypal 3 month ago. and now they use the excuse quality no match to return all the cost.  because they use credit card. bank can directly refund them.
So never third party payment any more!

Hijacked ... https://bitcointalksearch.org/topic/1379-dragon-15t-bitcoin-miner-07-wghs-shipment-fee-and-psu-included-755719

This rather important question still needs answering !!!

I'd be tempted to buy a few, but as you are new and the only feedback you have in your trust profile isn't good, would you be willing to accept escrow, building up some sales with escrow from established members can only improve future sales.

I'll give you one guess.......

Our 1420gh/s is 1050w psu.

Actually that could be  a different miner. Inno recently developed a 10-12 chip board, and 16 chip board as well, these are the modules in the massive 2TH's miners that we've seen floating around. The cost of the components are more expensive and they haven't been selling well because the board (with 12 chips) is not that stable. With 10 chips that board works fine or the 16 chip board is ok, but it doesn't decrease the power consumption as they are suggesting. If you look at the 2TH miner, you'll see they are using two 1000W psu's each barely powering 4  x 16 chip modules.
 
The screw placements make us think they are using the 12 (populated with 10) chip board. Or the 8 chip module we use. If 12 populated with 10, that would be 50 chips, at 28ghs (nominal speed .09 w/gh) chips making 1,400ghs. The problem here is unless they are under clocking (20-23GHS at .07 with hardware errors) they still wont be able to run it with a 1100watt psu, like most do for 4 module miners (1Th). 5 Modules of 8 chips nominal requires 1200W at a minimum.

So either its a miner similar to ours and its 1,250GHS with a 1100 PSU (not being able to power the 5th module) or its the concept above with a stronger psu lying about the exact consumption. But either way something doesn't add up.

Anyway, if you guys want this miner, we can have it shipped out to you in 2 days. Accept it would either our be our 1,250ghs or a 1,400 ghs both with either a 1200-1300w PSU consuming .02 watts per ghs/more than they have suggested.  .09 w per ghs.

And we'll sell it for $50 less. It doesn't leave much of a margin at all, but we're more interested rep rather than reward at this point.

$1200 for our 1,250ghs miner which is being review in the next thread.

What software are you using?

If quantity is more. We can offer without PSU

We don't know AMT. And don't think china have miner factory called AMT.
And who said there only can have one factory making A1 miner

These are IDENTICAL to the AMT miners. Likely a reseller.

See the review

https://bitcointalksearch.org/topic/amt-12ths-miner-first-impressionsreview-wip-752116

They are undercutting AMT by 100 bucks is all. So I imagine results will be the same. Still working on hashing results but other people are posting up in the AMT official threads.

Does the price include shipping?