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Author Topic: Sanity check before I purchase 8k€ hardware  (Read 1676 times)
bibyfok
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June 08, 2017, 08:23:33 PM
 #1

With 2 friends we are going to invest some € in mining, I want before clicking the order button to be good. Can you guys tell me if I forgot anything? Also, do you know any blueprints/plans to build rigs in aluminium/wood ? I can't find any in stock in France so I'm going to build them.
Here is the setup (4 in total) - Managed to secure 24 MSI RX570 GAMING X 4Gb :

MSI Radeon RX 570 GAMING X, 4 Gb   24x224 €
COOLER MASTER V1200 Mod. 80+Plat.   4x274 €
ASUS PRIME Z270-P iZ270 USB3.1 LGA1151   4x140 €
INTEL Pentium Dual Core SKYLAKE G4400   4x60 €
KINGSTON DDR4 2400 8Go   4x72 €
SSD KINGSTON UV400 120Go   4x75 €
PCI E Riser   24x10 €
Power Button   4x2 €
Price per unit      2027 €
Total order      8108 €

Adding the cost of the aluminium frame etc let say 8500 € of investment. Breakeven expected in 4-5 months?

Is there any difficulties to mine with Z270 motherboards?

Thanks  for the advices
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June 08, 2017, 08:39:57 PM
 #2

The ASUS Z270 PRIME A / AR is verified to do 9 cards, 264 MH/s per rig if you add M.2 to PCI-E expansion adapters.

https://www.youtube.com/watch?v=pQ-EAunoAqY

That would lower your costs to 3 sets of motherboards, CPU's, RAM and SSD's.

I recently did a build of the BBT mining case below out of two 8ft pieces of 1/8" x 3/4" angled aluminum, one 8ft 1" x 2" piece of pine and #8 1/2" self-tapping screws. The case will fit up to 7 RX 4XX/5XX if you put them about 1 inch apart. For 9 GPU's I would increase the length of the longest frame section by 7 inches from 19.2 to 26 inches and I would also increase the frame height by 2 inches from 9.25 to 11.25 inches, which means you will need to use three 8ft pieces of 1/8" x 3/4" angled aluminum instead of two.

https://www.youtube.com/watch?v=D5xNrlxsCVs

BBT on YouTube said he will have a mining rig case build video next week with updates from his original video.







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June 08, 2017, 09:21:35 PM
 #3

Where did you find the gpus?


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fanatic26
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June 08, 2017, 09:43:58 PM
 #4

I can confirm the board you selected works just fine with 6. If you go with 9 you will most likely run into a bunch of problems that create more downtime and increase ROI time.

Stop buying industrial miners, running them at home, and then complaining about the noise.
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June 08, 2017, 09:44:48 PM
 #5

The electricity cost will kill you.
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June 08, 2017, 09:50:39 PM
 #6


I think you are wrong to go this way.

do ½ your way do ½ this way if you can get prices

wait for quote take a minute.  build two of mine and two of yours

@ op how much did you spend for the six card setup?


sorry that I missed this.


This is an easy 3 card monster rig.

two 1080 ti's -------------------------1300 on sale
one 1070------------------------------  369
one 128 gb ssd -----------------------   40
one 8gb stick of ram -----------------   50
one i5 7400t cpu----------------------  130 eBay sale
one gigabyte z270 mobo ------------   108
one 850 watt  pat psu  --------------   112

total ---------------------------------- 2109

does 2300 for skein
does  1750 for zcash   at 550 watts.

riser free   and you can add 1 more card with a riser if you want to expand  to me no one should build a six card rig as the first rig.



I mine alt coins with https://simplemining.net...
I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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June 08, 2017, 09:56:00 PM
 #7

Where did you find the gpus?

Would love to know this to if you don't mind sharing OP.  I have been looking on/off for RX 570's and have had 0 luck.  To secure 24 you must have a good source.  I would make sure that your deal is "secured" before buying all other gear.  As I would hate to buy all other gear then have it sitting trying to get GPU's.  (You could switch GPU's but that is kinda another topic)
iamnoobplzhelp
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June 08, 2017, 09:59:33 PM
 #8

Where did you find the gpus?

That's my question. Where are you getting these cards?
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June 08, 2017, 10:06:15 PM
 #9

"Breakeven expected in 4-5 months?"

The way the difficulty is going, your 4, 5 months will become 4, 5 years and that if eth does not crash hehe.

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June 08, 2017, 10:08:37 PM
 #10

I'm mining with 7 GPUs on that board, have yet to try 8.

Might take a while for your products to actually arrive.
Don't expect the market to remain as it is, or grow, I mean it can, it can also become 2013 all over again. Beware

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June 08, 2017, 10:11:32 PM
 #11

Don't forget electricity, space, a lot of generated heat, and possible replacements.

I think it's a good choice to start mining, but do so with eyes open

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June 08, 2017, 10:12:17 PM
 #12

keep your options open, a lot are getting into mining and difficulty is rising, you might be better off investing it in btc not mining.

i prefer gtx cards better options on coins, less profit but better chance of resale.

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June 08, 2017, 10:13:00 PM
 #13

look at the last month:

https://www.coinwarz.com/difficulty-charts/ethereum-difficulty-chart
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June 08, 2017, 10:17:24 PM
 #14


difficulty on its own is not a good barometer, the price of ethereum has increased.

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June 09, 2017, 04:02:04 AM
 #15

So to reply to the main question, the reseller is a small shop in a small city in France. I contacter many big resellers who wasn't able to snatch any, and this guys told me that he could get for monday 20 RX 570, and I would catch the 4 other on backorder. --> I get all hardware from him, so he only gets the money if he delivers everything.

The idea behind this is to build a small business: with my friends we are looking into in some investment and that 8K would not be the whole of it. It's just a starting point to see how it goes. I know the difficulty is raising but the exchange rate is also crazy high...

Correct me if i'm wrong: let's say I have those 24 card running, but we have more ready to be invested, I could invest into new hardware (Vega? Volta?) or "simply" change currency?

I know it is extremely risky but we are not looking to do it as a hobby but as a business, and as with all business opportunities, if you do go big at the beginning (and I know we are catching the wagon late)  you are ******.

If i'm dead wrong correct me!

At the moment here is what we have/expect:
50M2 cooled place
0,14€/KW Electricity
Run a month with the 24 card and see what would happen
After this period decide if we invest more, decide a strategy etc.

I'm completely open to you advices/observations.
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June 09, 2017, 04:23:27 AM
 #16

Why the i5 7400t vs a G4400 for about 70 less?
What 128gb SSD are you using for 40?


I think you are wrong to go this way.

do ½ your way do ½ this way if you can get prices

wait for quote take a minute.  build two of mine and two of yours

@ op how much did you spend for the six card setup?


sorry that I missed this.


This is an easy 3 card monster rig.

two 1080 ti's -------------------------1300 on sale
one 1070------------------------------  369
one 128 gb ssd -----------------------   40
one 8gb stick of ram -----------------   50
one i5 7400t cpu----------------------  130 eBay sale
one gigabyte z270 mobo ------------   108
one 850 watt  pat psu  --------------   112

total ---------------------------------- 2109

does 2300 for skein
does  1750 for zcash   at 550 watts.

riser free   and you can add 1 more card with a riser if you want to expand  to me no one should build a six card rig as the first rig.

http://i.imgur.com/dg0TGrW.jpg
bibyfok
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June 09, 2017, 11:08:06 AM
 #17

Why the i5 7400t vs a G4400 for about 70 less?
What 128gb SSD are you using for 40?


I think you are wrong to go this way.

do ½ your way do ½ this way if you can get prices

wait for quote take a minute.  build two of mine and two of yours

@ op how much did you spend for the six card setup?


sorry that I missed this.


This is an easy 3 card monster rig.

two 1080 ti's -------------------------1300 on sale
one 1070------------------------------  369
one 128 gb ssd -----------------------   40
one 8gb stick of ram -----------------   50
one i5 7400t cpu----------------------  130 eBay sale
one gigabyte z270 mobo ------------   108
one 850 watt  pat psu  --------------   112

total ---------------------------------- 2109

does 2300 for skein
does  1750 for zcash   at 550 watts.

riser free   and you can add 1 more card with a riser if you want to expand  to me no one should build a six card rig as the first rig.


I would even say, why not a G3900 ? Cost even less
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June 09, 2017, 12:03:32 PM
 #18

SSD isn't needed, you can get a 50-80 gig HDD for less than 10 where I live or boot off of a USB. Even more money shaved off the build. You can get by with 4GB of DDR but it may cause some compability issues with some software.

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June 09, 2017, 03:29:02 PM
 #19


Just keep in mind that there are 10,000 or 100,000 other people doing the same thing and that the profitability isn't going to hold.


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June 09, 2017, 04:46:35 PM
 #20

I think Phil's suggestion to build a 3-card rig makes a lot of sense, but I would swap out his mobo suggestion with one that can eventually accomodate  6 or 7 gpus, like the Asus Z270 Prime A board.  It might cost you $20 more, but this is a drop in the ocean with the going profitability, right?

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