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Author Topic: BUILDING A 4 VIDEO CARD MINING RIG  (Read 1923 times)
mu50stang
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June 15, 2011, 03:55:28 AM
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I was going to build a 4 video card mining rig and was looking for any suggestions to try and keep costs down?  Are ati radeons 5570 good for this idea?
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kodesh
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June 15, 2011, 04:01:47 AM
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Comparison of GPU's:

https://en.bitcoin.it/wiki/Mining_hardware_comparison

Right now the best bang for the buck $/mhash wise I think is the 5830, if you can find them.
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June 15, 2011, 04:07:50 AM
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How much is 5830s?

i was planning to use some 5850s.

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June 15, 2011, 04:12:32 AM
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5830= best bang for your buck (if you can get 2 you are golden)
5850-70 = awesome stuff
6950-70 = top notch
6990 (1 or more) the best you can buy right now

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mu50stang
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June 15, 2011, 04:17:22 AM
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What motherboard and powersupply do you suggest.
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June 15, 2011, 04:27:41 AM
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Get a cheap mobo if you are planing to use single cards. Get a good mobo capable of 8x/8x for crossfire.

For PSUs it depens on the cards: (quality = OCZ,CORSAIR, ANTEC)

5830 single: a quality 550W psu
5830 crossfire: a quality 600-700W psu
6950-70 singles: a quality 600-700W psu
6850-70 crossfire: a quality 800-850W psu
6990 single: a quality 800-850W psu
6990 crossfire: 1000W+ quality psu

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mu50stang
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June 15, 2011, 04:36:51 AM
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if i have a motherboard with 1x16 slot how do i get more x16 video cards on it.
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June 15, 2011, 04:44:20 AM
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if i have a motherboard with 1x16 slot how do i get more x16 video cards on it.

You cant. For 2 or more card you need a mobo that support crossfire. Those mobos have 2,3,4 pcie slots.

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mu50stang
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June 15, 2011, 04:47:54 AM
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Can you suggest any specific motherboards.
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June 15, 2011, 05:05:49 AM
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I've found this site helpful in determining the best bang/buck: http://bitminer.info/
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June 15, 2011, 05:06:14 AM
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i dont know? for single card just pick one xD (asrock mobos are the cheapest)
for crossfire look for a mobo capable of 8x/8x crossfire (2 cards).
for more cards (3,4) mobos can be expensive so i dont know just get a good one. (asus,gigabyte,msi)

Crossfire Mobos (2 cards):

ASRock P55 Deluxe
Asrock P55 Extreme

ASUS Maximus III Formula
Asus Maximus III Gene
ASUS P7P55D Deluxe
Asus P7P55D Premium
ASUS P7P55D PRO
Asus P7P55D EVO

MSI P55-GD65
MSI P55-GD80

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