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Topic: Block Erupter Prisma (>=1.4 T/device, 0.75-0.78 W/G, <1 BTC/T, October Shipping) - page 36. (Read 108032 times)

sr. member
Activity: 240
Merit: 250
Looks like this is pre-order and it is shipping october mid? Seems not profitable for me Sad
What part of it suggests it's pre order?
hero member
Activity: 686
Merit: 500
FUN > ROI
The ethernet controller is the same of the Tube ?  You have a new firmware ?

...

The fixing of custom ethernet controllers' problem is still under way though.
member
Activity: 92
Merit: 10
The ethernet controller is the same of the Tube ?

You have a new firmware ?
hero member
Activity: 770
Merit: 509
pictures, want to see pix ! show some ASIC porn . . . here comes the race.

Agreed.

Quote
1 btc for shipping is too EXPENSIVE (400+/-) for shipping ? normally about 200USD. Please revise shipping rates. also guys pls do not forget to add in psu cost to run these. i'm sure pricing can be reviewed. FC you can do much better !

$400 to ship 75KG is actually pretty inexpensive.

Quote
1 full device consumes approx. 1100w (conservative) so you will need a 1200w psu which costs approx. USD 200 each so x 10 = USD 2000 (excluding spares)

It draws 1000W from the psu. 1100W is at the wall.

You could buy the most expensive ATX psu or you could use a modded server psu for ~$25/1000W.

Quote
10 full devices will be a jungle of spaghetti wires. looking to see some new design & improvements to eliminate the jungle of wires.

The boards are already chainable, what more can they do? They only need 1 controller per 32 boards and there's really nothing they can do about the power cables.
legendary
Activity: 1500
Merit: 1002
Mine Mine Mine
pictures, want to some see pix ! show some ASIC porn . . . here comes the ASIC race.

1 btc for shipping is too EXPENSIVE (400+/-) for shipping ? normally about 200USD. Please revise shipping rates.

also guys pls do not forget to add in psu cost to run these. i'm sure pricing can be reviewed.

FC you can do much better !

here are some of my broken math :

10 devices + shipping will be 14.9btc = USD 6013 (Preev rates as of now)

1 full device consumes approx. 1100w (conservative) so you will need a 1200w psu which costs approx. USD 200 each so x 10 = USD 2000 (excluding spares)

so for 14TH total costs to run is roughly USD 8013 excluding any exchange rate fees so round up to USD 8100 by the time it reaches your door step & that does not include any DOA's & RMA's issues.

10 full devices will be a jungle of spaghetti wires. looking to see some new design & improvements to eliminate the jungle of wires.
sr. member
Activity: 285
Merit: 250
Looks like this is pre-order and it is shipping october mid? Seems not profitable for me Sad
legendary
Activity: 1904
Merit: 1007
why bother pay 14.9 BTC for these when they can only produce like 9-10 BTC ?

So I take it you have a magic crystal ball too?

Mine says these can easily break even with cheap electricity.

How many days for ROI with what electricity price?
hero member
Activity: 770
Merit: 509
why bother pay 14.9 BTC for these when they can only produce like 9-10 BTC ?

So I take it you have a magic crystal ball too?

Mine says these can easily break even with cheap electricity.
legendary
Activity: 1120
Merit: 1001
buying BTC sounds much better.
why bother pay 14.9 BTC for these when they can only produce like 9-10 BTC ?
plus I need PSUs to run them, plus I have to pay 24 % import tax, plus i need space etc etc.
legendary
Activity: 2030
Merit: 1076
A humble Siberian miner
still can't ROI at this price  Roll Eyes
Just like always. We will not buy this, right?  Wink Wi'll buy BTC instead.
legendary
Activity: 1904
Merit: 1007
Just when I was about to buy 125 tubes, this comes up. Now I need to buy a whole bunch of these!

Post a picture with all of them installed here: https://bitcointalksearch.org/topic/--7216 when you get them.
hero member
Activity: 518
Merit: 500
Just when I was about to buy 125 tubes, this comes up. Now I need to buy a whole bunch of these!
member
Activity: 333
Merit: 13
Oh so 10 full sets so >14 TH/s for 13.9 BTC that's pretty good!!

Plus BTC1 shipping = 14.9  Sad

Why is shipping not included as with the tubes??
donator
Activity: 848
Merit: 1005
So this is a nice way of saying: Yes, it indeed has the same bugs.
No, there won't be any stratum problem using cgminer with Raspberry PI.

The fixing of custom ethernet controllers' problem is still under way though.
legendary
Activity: 1237
Merit: 1010
Does it have the same internal software problems as the Tube?
Or is the stratum implementation fixed this time?
Hopefully your custom cgminer version doesn't have the same problems also.
The cgminer differs from the main branch in only the communication to the device
and some part of the USB driver. Other parts are not modified.

It would also be open source.

So this is a nice way of saying: Yes, it indeed has the same bugs.
legendary
Activity: 1190
Merit: 1000
www.bitcointrading.com
Oh so 10 full sets so >14 TH/s for 13.9 BTC that's pretty good!!
newbie
Activity: 23
Merit: 0
legendary
Activity: 1120
Merit: 1001
still can't ROI at this price  Roll Eyes
legendary
Activity: 1666
Merit: 1185
dogiecoin.com
A non x24 design, interesting.
hero member
Activity: 938
Merit: 502
Do we have a CAD draft to see?
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