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Author Topic: About to buy my first rig....  (Read 856 times)
James315
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July 13, 2011, 01:15:56 AM
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Hey guys this is what im going to buy for my first rig.  Hopefully outputting 1600-1800 Mhash/s

Could use some feedback on anything i could improve on as far as hardware. 


Motherboard: $200

http://www.newegg.com/Product/Product.aspx?Item=N82E16813130274

CPU: $40

http://www.newegg.com/Product/Product.aspx?Item=N82E16819103698

RAM: $10

http://www.newegg.com/Product/Product.aspx?Item=N82E16820134787

Case: $120

http://www.newegg.com/Product/Product.aspx?Item=N82E16811108230

4 x 6970 GPU's: $1250 After Rebate

http://www.newegg.com/Product/Product.aspx?Item=N82E16814103182

Power supply 1500w - $360

http://www.newegg.com/Product/Product.aspx?Item=N82E16817256054

Total: ~2k
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The_JMiner
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July 13, 2011, 01:42:29 AM
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Unless your very good at it don't run ubuntu. even after 5 hours of reading guides I could not figure it out. good luck !

Leon
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July 13, 2011, 01:43:58 AM
 #3

Hey guys this is what im going to buy for my first rig.  Hopefully outputting 1600-1800 Mhash/s

Could use some feedback on anything i could improve on as far as hardware. 


Motherboard: $200

http://www.newegg.com/Product/Product.aspx?Item=N82E16813130274

CPU: $40

http://www.newegg.com/Product/Product.aspx?Item=N82E16819103698

RAM: $10

http://www.newegg.com/Product/Product.aspx?Item=N82E16820134787

Case: $120

http://www.newegg.com/Product/Product.aspx?Item=N82E16811108230

4 x 6970 GPU's: $1250 After Rebate

http://www.newegg.com/Product/Product.aspx?Item=N82E16814103182

Power supply 1500w - $360

http://www.newegg.com/Product/Product.aspx?Item=N82E16817256054

Total: ~2k


You could get away with a much cheaper power supply and save money not using a case otherwise everything is solid.

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somebadger
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July 13, 2011, 02:17:05 AM
 #4

Unless your very good at it don't run ubuntu. even after 5 hours of reading guides I could not figure it out. good luck !

if you follow the guide found on this forum, setting up a fresh 11.04 is rather easy, but u cant skip any steps Wink

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edge06
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July 13, 2011, 02:17:32 AM
 #5

Yeah I would go with a slightly less PSU, and a shitty case.
Leon
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July 13, 2011, 02:20:14 AM
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Yeah I would go with a slightly less PSU, and a shitty case.

I was also thinking a cheapo motherboard with cables, that would also keep the GPUs very cool.

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sgravina
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July 13, 2011, 02:36:30 AM
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Your spending $1.23 for each MHash/sec capacity.  My seven rigs average $1.10.

You will need some storage for the operating system and software.  I use a usb stick.  But that is real slow and setting up takes a lot of reboots.  I would suggest an inexpensive hard disk.  One of my rigs has an 60 GBytes SSD drive, I wouldn't buy one they cost $120, but mine came with a computer I bought off of craigslist.  I love it cause it boots so fast.  You will spend a lot of time booting the computer.

The case looks nice but is not necessary.

I run 4 5870's off of a 850 Watt power supply.  It draws 700 Watts.

Sam
Leon
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July 13, 2011, 03:20:06 AM
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Your spending $1.23 for each MHash/sec capacity.  My seven rigs average $1.10.

You will need some storage for the operating system and software.  I use a usb stick.  But that is real slow and setting up takes a lot of reboots.  I would suggest an inexpensive hard disk.  One of my rigs has an 60 GBytes SSD drive, I wouldn't buy one they cost $120, but mine came with a computer I bought off of craigslist.  I love it cause it boots so fast.  You will spend a lot of time booting the computer.

The case looks nice but is not necessary.

I run 4 5870's off of a 850 Watt power supply.  It draws 700 Watts.

Sam

Having a low PSU can be risky I would suggest 1000 range, 1500 isn't needed.

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thavok
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July 13, 2011, 03:26:21 AM
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sounds like a nice rig but I would def spend less on the case and PSU
someoldster
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July 13, 2011, 03:57:18 AM
 #10

I've seen the CPU be the bottleneck in my system while solo mining and I run a quadcore phenom II. If you are going solo I would consider getting a CPU with more cores. Don't worry about spending extra for larger CPU cache if this rig will be for mining only.
someoldster
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July 13, 2011, 04:01:01 AM
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I've seen the CPU be the bottleneck in my system while solo mining and I run a quadcore phenom II. If you are going solo I would consider getting a CPU with more cores. Don't worry about spending extra for larger CPU cache if this rig will be for mining only.

Also, at a minimum use Arctic Silver or better thermal paste for the CPU heatsink. The stock cooler and paste didn't get the job done for me (core temps exceeding 70 Deg C and emergency system shutdowns - not at all fun).
Arius
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July 13, 2011, 02:14:01 PM
 #12

Why buy a case?  How much are you spending on the hard drive?  Storage is a big problem.  You'll see people buy a cheap spin-up hard drive, but a solid-state one is worth the few extra dollars for a lower power consumption rate.  Skip the 6970, it's not worth the money.  Best bet is 5x 5830s and 5 PCI x16 riser cables.  It's gonna get hot as all hell, what's your cooling solution?  I use a dozen box fans and a crude bit of duct work.  If you go with the Sempron, use Ubuntu.  Windows will bottleneck without a milti-core processor. 
MarkG
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July 13, 2011, 02:41:24 PM
 #13

2K only for mining??  Will you ever get this money back???

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TheGrapist
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July 13, 2011, 02:49:11 PM
 #14

like others have said get a cheaper case and psu....GL Smiley

Einewton
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July 13, 2011, 03:16:57 PM
 #15

Always remember the reselling value... Smiley

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bitebitebite
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July 13, 2011, 03:35:20 PM
 #16

$2000 for ~$16 a day and dropping (1x 6990 got me this ~ 1 month ago). Resell or not, dosent sound like a wise investment to me.
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