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Author Topic: My 1 gpu now 11gpus 5rigs for Ethereum. 45 days of mining. Photos thoughts.  (Read 49293 times)
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citronick
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May 20, 2016, 11:56:08 AM
 #121

I inherited a Sapphire NITRO R7 370 4GB and ASUS STRIX R7 370 from 2 old gaming system.
Any idea if this would be good GPUs for ETH? I browsed around and both these cards can do 15-16MHs per card.
Can overclock to get more hash?

yes the 370 nitro is basically the best card for the buck you can get, very cheap if you get it used, you can build a whole rig for $1300-1400 that can do 90-100MH

but since polaris is coming next week and will consume much less, i would wait at this point, selling again everything in a month it's a pain in the ass

Thanks Amph, mandica for your comments - I was lucky to spot the cards before they sell it off to the junkyard man. Too bad there were only 2 box that has them.

I plan to underclock mV and overclock it a bit and experiment how much juice can I squeeze off them.

The Polaris looks tempting, but I purchased a few Nano's recently and anything beyond that needs me to raise extra funds. With the ETH price now strong at $14+ I may invest in a few.

I have taken Philip's approach to do a 2 x GPU system so that I can offload these systems easily in future as gaming machines.

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May 20, 2016, 12:04:46 PM
 #122

there was a bad typo in my post, polaris is coming next month not next week, still if you can buy 370 used for $100 each or 120 max and build your rig, then sell those for $100 later or $80 at worst, and buy polaris, i think it would be a good move

no need to sell the other part, i believe there is still plenty of profit in crypto and always will be, sell only your gpu
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May 20, 2016, 12:16:14 PM
 #123

there was a bad typo in my post, polaris is coming next month not next week, still if you can buy 370 used for $100 each or 120 max and build your rig, then sell those for $100 later or $80 at worst, and buy polaris, i think it would be a good move

no need to sell the other part, i believe there is still plenty of profit in crypto and always will be, sell only your gpu

yes, agree - the power savings (due 14nm) on these Polaris is very good from what I read - it's worth investing if not to expensive.

I did get these 4GB 370 cards for cheaps so I may keep them and put them in my test machines to test mine other algos.

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May 20, 2016, 04:17:40 PM
 #124

Yeah I am paying more attention to alt coins now then btc.

the solar array and my friends office house 28th of  sha 256

I now have 5 pc's in house with 9 gpus one more coming today.

I am going to the brooklyn navy yard.  I built a few pc's for my friend's work shop.  I am going to build a 2 card rig for him 8 cent power.  I will put my hd7970 and my r9 380 in it.

we will spilt the coins should be fun.

Please support sidehack with his new miner project Send to : 1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
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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May 20, 2016, 04:23:18 PM
 #125

hello, i have more gpu to sell if anyone is interested... contact me in pm i accept btc eth end dcr

thanks

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May 20, 2016, 07:20:03 PM
 #126

I now have 5 pc's in house with 9 gpus one more coming today.

Phil,

First of all - thank you for extremely helpful information of mining PCs, power consumption etc

I have a question: I have some money (around 2BTC) from Hashnest cloud mining and I would like to build an open stand for scrypt mining (ETH at the moment)

Could you please recommend me a simple set of MB, memory, CPU, SSD for building a setup I can play with? I do have 850W a power supply (good one) and plan to buy two R9 390 GPUs.

I will buy the stuff on Amazon (premium + 5% discount + some GCs).

Thank you!
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May 20, 2016, 09:12:49 PM
 #127

I now have 5 pc's in house with 9 gpus one more coming today.

Phil,

First of all - thank you for extremely helpful information of mining PCs, power consumption etc

I have a question: I have some money (around 2BTC) from Hashnest cloud mining and I would like to build an open stand for scrypt mining (ETH at the moment)

Could you please recommend me a simple set of MB, memory, CPU, SSD for building a setup I can play with? I do have 850W a power supply (good one) and plan to buy two R9 390 GPUs.

I will buy the stuff on Amazon (premium + 5% discount + some GCs).

Thank you!

well I run all windows 7   and skylake is a bit of fuck you  windows 7 is old.

so I am  using gigabyte b75m

http://www.amazon.com/Gigabyte-Intel-Micro-Motherboards-GA-B75M-D3H/dp/B007R9CRGW

but I buy it here

http://www.provantage.com/gigabyte-technology-ga-b75m-d3h~7GIGB0HU.htm


and they sell out fast because they are very reliable.

they are new gear.

I would put this cpu in it.http://www.ebay.com/itm/INTEL-CORE-I5-3570-QUAD-CORE-3-40-GHZ-PROCESSOR-SR0T7-25078-/262446795992?

it is used but good seller.

I would use 2 sticks of this ram

http://www.amazon.com/Kingston-HyperX-FURY-2x4GB-1600MHz/dp/B00J8E92X0/ref=sr_1_3?


this heatsink

http://www.amazon.com/SilverStone-Technology-Nitrogen-Profile-RL-NT09-115X/dp/B01BVC8IVS?

you need a cd/dvd rom to load windows 7

these cards are okay

http://www.amazon.com/PowerColor-Video-AXR9-390-8GBD5-PPDHE/dp/B00ZUWD8LQ/ref=sr_1_1?

ssd 42

http://www.amazon.com/SanDisk-Plus-120GB-2-5-Inch-SDSSDA-120G-G25/dp/B00S9Q9UKS/ref=sr_1_5?s=pc&ie=UTF8&qid=1463779975&sr=1-5&keywords=120gb+ssd
so mobo 80
     cpu 112
     ram  30
heatsink 18
cards     640
cheap ssd 42

so 920 plus windows 7 and a dvd player.


windows 7 and a dvd player well that depends

Please support sidehack with his new miner project Send to : 1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
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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May 20, 2016, 09:41:03 PM
 #128

Phil,

I do appreciate your help!

Exactly information I need
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May 20, 2016, 10:12:13 PM
 #129

Phil,

I do appreciate your help!

Exactly information I need

yeah that mobo is very reliable for an open case 2 card build.

Please support sidehack with his new miner project Send to : 1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
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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May 21, 2016, 05:44:56 AM
 #130

to be honest i prefer the old 6 rig setup with asrock h81 pro btc

with $500 you have a rig of six gpu

with the next gen gpu that consume less the perfect setup would be this for six gpu

asrock h81 pro btc
g.skill 8GB
G1840(you may buy a pentium here for only $10 more, it may be worth it for the extra cache ram)
ssd 64GB(120GB i've found one sandisk for only 40 euro on amazon)
evga 1k g2

total is 450 euro + 50 for riser you have your rig for only 500, then you just add your gpu

1kw is enough for future gpu because polaris and pascal will consume something like 120w per card, for gpu like 490 or 1070
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May 21, 2016, 06:00:02 AM
 #131

to be honest i prefer the old 6 rig setup with asrock h81 pro btc

with $500 you have a rig of six gpu

with the next gen gpu that consume less the perfect setup would be this for six gpu

asrock h81 pro btc
g.skill 8GB
G1840(you may buy a pentium here for only $10 more, it may be worth it for the extra cache ram)
ssd 64GB(120GB i've found one sandisk for only 40 euro on amazon)
evga 1k g2

total is 450 euro + 50 for riser you have your rig for only 500, then you just add your gpu

1kw is enough for future gpu because polaris and pascal will consume something like 120w per card, for gpu like 490 or 1070

I like the H81 Pro BTC. I also have the H61 Pro BTC. They are both very reliable.But one is for 1150, the other is for 1155 socket.

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May 21, 2016, 06:49:27 AM
 #132

to be honest i prefer the old 6 rig setup with asrock h81 pro btc

with $500 you have a rig of six gpu

with the next gen gpu that consume less the perfect setup would be this for six gpu

asrock h81 pro btc
g.skill 8GB
G1840(you may buy a pentium here for only $10 more, it may be worth it for the extra cache ram)
ssd 64GB(120GB i've found one sandisk for only 40 euro on amazon)
evga 1k g2

total is 450 euro + 50 for riser you have your rig for only 500, then you just add your gpu

1kw is enough for future gpu because polaris and pascal will consume something like 120w per card, for gpu like 490 or 1070

Personally $500 is too much to build a basic rig.  I like using older LGA 775 hardware and I can build a PVC rig for about $100 (minus PSU) so that roi can be reached much faster.  It can be hard to find the proper mobo but when you do buy few of them. My logic is mining is a short term operation and roi needs to be reached asap.  Its stressful watching difficulty rise and profit reduce when you have hardware on credit.  After you have a steady income stream then it become easier to justify newer equipment
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May 21, 2016, 07:21:33 AM
 #133

to be honest i prefer the old 6 rig setup with asrock h81 pro btc

with $500 you have a rig of six gpu

with the next gen gpu that consume less the perfect setup would be this for six gpu

asrock h81 pro btc
g.skill 8GB
G1840(you may buy a pentium here for only $10 more, it may be worth it for the extra cache ram)
ssd 64GB(120GB i've found one sandisk for only 40 euro on amazon)
evga 1k g2

total is 450 euro + 50 for riser you have your rig for only 500, then you just add your gpu

1kw is enough for future gpu because polaris and pascal will consume something like 120w per card, for gpu like 490 or 1070

Personally $500 is too much to build a basic rig.  I like using older LGA 775 hardware and I can build a PVC rig for about $100 (minus PSU) so that roi can be reached much faster.  It can be hard to find the proper mobo but when you do buy few of them. My logic is mining is a short term operation and roi needs to be reached asap.  Its stressful watching difficulty rise and profit reduce when you have hardware on credit.  After you have a steady income stream then it become easier to justify newer equipment


it's the psu that cost a lot, that build that i posted cost only 250 then you add 200 for the psu and 50 for riser, which you are obligated to buy, so it's very cheap in the end

buying parts that are too old can lead to compatibility issue, also no motherboard is as good as the h81 pro btc for mining with six gpu

edit the build cost only $200 on amazon so even $50 lower that what i said before
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May 21, 2016, 08:35:14 AM
 #134

I inherited a Sapphire NITRO R7 370 4GB and ASUS STRIX R7 370 from 2 old gaming system.
Any idea if this would be good GPUs for ETH? I browsed around and both these cards can do 15-16MHs per card.
Can overclock to get more hash?

 Those cards probably won't do 16MH currentlly, but they should do better than the 9ish MH I'm getting out of my Powercolor 7850 (same shader count, but your cards have a lot better memory setup). I'd guess you can get them to more like 11-13 range currently (7870s are supposedly 15-16MH cards too, but mine have never seen more than 12 despite a lot of time spent on fine-tuning the clocks and such).
 I suspect the 16MH reported is figures from when the DAG was a lot smaller.
 Your 370s SHOULD use less power than my 7850 does too, so should be more profitable overall.




 GTX 1070 is listed at 150 watts TDP, not 120. I'd go with the EVGA G2-1300 or Seasonic X1250 (or plat versions if you prefer) to power 6 of those, NOT a 1000-watt PS.



 Scrypt mining with GPUS is "FORGET IT YOU LOSE MONEY" for over 2 years now.


 Last word I saw on Polaris was NOT "next month" but "Q3 2016" for the first card(s) and will be low-to-midrange card(s)".
 It's the GTX 1070 that's showing up on June 10.



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May 21, 2016, 09:04:22 AM
 #135

970 was listed as a 180 tdp also, but we can mine with it at 160w, so the same will apply for the 1070, with the right power limit it can be lwoered to 120w

1kw is more than enough for future gpu, unless you want to buy high end gpu which won't scale right...
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May 21, 2016, 11:33:54 AM
 #136

to be honest i prefer the old 6 rig setup with asrock h81 pro btc

with $500 you have a rig of six gpu

with the next gen gpu that consume less the perfect setup would be this for six gpu

asrock h81 pro btc
g.skill 8GB
G1840(you may buy a pentium here for only $10 more, it may be worth it for the extra cache ram)
ssd 64GB(120GB i've found one sandisk for only 40 euro on amazon)
evga 1k g2

total is 450 euro + 50 for riser you have your rig for only 500, then you just add your gpu

1kw is enough for future gpu because polaris and pascal will consume something like 120w per card, for gpu like 490 or 1070

Personally $500 is too much to build a basic rig.  I like using older LGA 775 hardware and I can build a PVC rig for about $100 (minus PSU) so that roi can be reached much faster.  It can be hard to find the proper mobo but when you do buy few of them. My logic is mining is a short term operation and roi needs to be reached asap.  Its stressful watching difficulty rise and profit reduce when you have hardware on credit.  After you have a steady income stream then it become easier to justify newer equipment


it's the psu that cost a lot, that build that i posted cost only 250 then you add 200 for the psu and 50 for riser, which you are obligated to buy, so it's very cheap in the end

buying parts that are too old can lead to compatibility issue, also no motherboard is as good as the h81 pro btc for mining with six gpu

The ASROCK H97 aniversary is also very good for 6gpus

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May 21, 2016, 12:38:20 PM
 #137

I am not against a six card rig.

But for me two card rigs that I sell to friends family and some clients works well for me.

I had lots of parts on hand so my now five rigs are almost fully paid off.

For a two card rig the gigabyte b75m is really good mobo.


Please support sidehack with his new miner project Send to : 1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
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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May 21, 2016, 02:36:14 PM
 #138

to be honest i prefer the old 6 rig setup with asrock h81 pro btc

with $500 you have a rig of six gpu

with the next gen gpu that consume less the perfect setup would be this for six gpu

asrock h81 pro btc
g.skill 8GB
G1840(you may buy a pentium here for only $10 more, it may be worth it for the extra cache ram)
ssd 64GB(120GB i've found one sandisk for only 40 euro on amazon)
evga 1k g2

total is 450 euro + 50 for riser you have your rig for only 500, then you just add your gpu

1kw is enough for future gpu because polaris and pascal will consume something like 120w per card, for gpu like 490 or 1070

Interesting setup for 6 GPUs

Thank you!
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May 21, 2016, 03:29:56 PM
 #139

to be honest i prefer the old 6 rig setup with asrock h81 pro btc

with $500 you have a rig of six gpu

with the next gen gpu that consume less the perfect setup would be this for six gpu

asrock h81 pro btc
g.skill 8GB
G1840(you may buy a pentium here for only $10 more, it may be worth it for the extra cache ram)
ssd 64GB(120GB i've found one sandisk for only 40 euro on amazon)
evga 1k g2

total is 450 euro + 50 for riser you have your rig for only 500, then you just add your gpu

1kw is enough for future gpu because polaris and pascal will consume something like 120w per card, for gpu like 490 or 1070

Interesting setup for 6 GPUs

Thank you!

yes it will be my future setup, and it actually cost less than expected, only 200 for cpu, mobo, ram and ssd, plus 200 for evga 1kw and 50 for risers, so only 450 not 500

i can find everything at around 430 euro on amazon, risers on ebay
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May 21, 2016, 07:24:35 PM
 #140


i can find everything at around 430 euro on amazon, risers on ebay

Amazon gives me a good price for this set up (I have 850W power supply)

Crucial Ballistix Sport 8GB Kit (4GBx2) DDR3 1600 (PC3-12800) 240-Pin UDIMM Memory BLS2KIT4G3D1609DS1S00/BLS2CP4G3D1609DS1S00 by Crucial
$33.98

ASRock Motherboard ATX DDR3 1066 LGA 1150 H81 PRO BTC by ASRock
$72.09

Intel Pentium Processor G3240 (3M Cache, 3.10 GHz) BX80646G3240 by Intel
$58.94


Patriot Torch 120GB SATA 3 2.5 (7mm height) Solid State Drive - With Transfer Speeds of Up-To 555 MB/s read and 535 MB/s write by Patriot
$39.99

Subtotal (4 items): $205.00

Should I start from loading with 2 R9 390 and later add 2 more?

Is this card good?

XFX DOUBLE DISSIPATION R9 390 1015MHZ XXX OC 8GB DDR5 DISPLAYPORT HDMI DUAL DVI
$320
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