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Author Topic: How much power?  (Read 1019 times)
jsttn
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May 14, 2012, 09:32:03 PM
 #1

GPU: 5830 x2
CPU: AMD Sempron
Motherboard: ECS A885GM-A2

NewEgg's calc says over 600w but that doesn't seem right to me...
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Coinoisseur
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May 14, 2012, 10:20:15 PM
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Roughly 400W, calculators are conservative. They don't want to be blamed for your CheapPower 10000W power supply going up in smoke running a 5770.
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May 14, 2012, 10:42:58 PM
 #3

This will run great: http://www.newegg.com/Product/Product.aspx?Item=N82E16817182200

$51 (with promo) and free shipping. 630 watt. Single 12V 50amp rail. I am running one of these for three underclocked 5830s. Should run two overclocked 5830s very well. Can't beat the price either.

You are welcome.

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May 15, 2012, 12:42:08 PM
 #4

This will run great: http://www.newegg.com/Product/Product.aspx?Item=N82E16817182200

$51 (with promo) and free shipping. 630 watt. Single 12V 50amp rail. I am running one of these for three underclocked 5830s. Should run two overclocked 5830s very well. Can't beat the price either.

You are welcome.

that is a wal-mart style product...  there is a reason it is soo cheap.

One of THE most important part of a mining rig is the PSU.  take some advice, buy a SeaSonic or similar power supply.

here is what i run as a second PSU when I have 6 cards oni a rig, or 5 7970s
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151088




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May 15, 2012, 05:08:50 PM
 #5

This will run great: http://www.newegg.com/Product/Product.aspx?Item=N82E16817182200

$51 (with promo) and free shipping. 630 watt. Single 12V 50amp rail. I am running one of these for three underclocked 5830s. Should run two overclocked 5830s very well. Can't beat the price either.

You are welcome.

that is a wal-mart style product...  there is a reason it is soo cheap.
That's because Rosewill is owned by Newegg. Newegg makes their own product without having to buy from a vendor, which makes it a cheaper price. It's also on sale, which makes it even cheaper. I personally own one of these myself, and it's a solid and stable PSU. I don't think an extra $100~ is worth the 80 Gold, 3 extra years warranty, and name brand. Unless you have a lot of money to throw around, I wouldn't bother.

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May 15, 2012, 05:17:27 PM
 #6

This will run great: http://www.newegg.com/Product/Product.aspx?Item=N82E16817182200

$51 (with promo) and free shipping. 630 watt. Single 12V 50amp rail. I am running one of these for three underclocked 5830s. Should run two overclocked 5830s very well. Can't beat the price either.

You are welcome.

that is a wal-mart style product...  there is a reason it is soo cheap.
That's because Rosewill is owned by Newegg. Newegg makes their own product without having to buy from a vendor, which makes it a cheaper price. It's also on sale, which makes it even cheaper. I personally own one of these myself, and it's a solid and stable PSU. I don't think an extra $100~ is worth the 80 Gold, 3 extra years warranty, and name brand. Unless you have a lot of money to throw around, I wouldn't bother.
+1.

I wouldn't buy, say, a Dynex to power a mining rig (tried that, it would restart every couple of days), but anything better should do just fine.  Buying an overpriced PSU for mining is just buying insurance that you don't need.  JMO.  The important part is keeping it cool, as I learned when I killed a 750w Corsair with 3 5830's.
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May 15, 2012, 05:23:39 PM
 #7

This will run great: http://www.newegg.com/Product/Product.aspx?Item=N82E16817182200

$51 (with promo) and free shipping. 630 watt. Single 12V 50amp rail. I am running one of these for three underclocked 5830s. Should run two overclocked 5830s very well. Can't beat the price either.

You are welcome.

that is a wal-mart style product...  there is a reason it is soo cheap.
That's because Rosewill is owned by Newegg. Newegg makes their own product without having to buy from a vendor, which makes it a cheaper price. It's also on sale, which makes it even cheaper. I personally own one of these myself, and it's a solid and stable PSU. I don't think an extra $100~ is worth the 80 Gold, 3 extra years warranty, and name brand. Unless you have a lot of money to throw around, I wouldn't bother.
+1.

I wouldn't buy, say, a Dynex to power a mining rig (tried that, it would restart every couple of days), but anything better should do just fine.  Buying an overpriced PSU for mining is just buying insurance that you don't need.  JMO.  The important part is keeping it cool, as I learned when I killed a 750w Corsair with 3 5830's.

probably because the corsair is not rated to run at 100% of the 750w 24/7.  the SeaSonics are rated to run at full wattage 24/7.    Suit yourself. 

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May 15, 2012, 05:25:56 PM
 #8

This will run great: http://www.newegg.com/Product/Product.aspx?Item=N82E16817182200

$51 (with promo) and free shipping. 630 watt. Single 12V 50amp rail. I am running one of these for three underclocked 5830s. Should run two overclocked 5830s very well. Can't beat the price either.

You are welcome.

that is a wal-mart style product...  there is a reason it is soo cheap.
That's because Rosewill is owned by Newegg. Newegg makes their own product without having to buy from a vendor, which makes it a cheaper price. It's also on sale, which makes it even cheaper. I personally own one of these myself, and it's a solid and stable PSU. I don't think an extra $100~ is worth the 80 Gold, 3 extra years warranty, and name brand. Unless you have a lot of money to throw around, I wouldn't bother.
+1.

I wouldn't buy, say, a Dynex to power a mining rig (tried that, it would restart every couple of days), but anything better should do just fine.  Buying an overpriced PSU for mining is just buying insurance that you don't need.  JMO.  The important part is keeping it cool, as I learned when I killed a 750w Corsair with 3 5830's.

probably because the corsair is not rated to run at 100% of the 750w 24/7.  the SeaSonics are rated to run at full wattage 24/7.    Suit yourself. 
The corsair wasn't running at 750w though... should have only been consuming about 600w.
likuidxd
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May 15, 2012, 05:26:13 PM
 #9

Seasonic makes their own PSUs, as well as PSUs for other major brands, and I'll trust a proven manufacturer (35+ years of business) over a 7 year old manufacturer any day

jjiimm_64
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May 15, 2012, 05:37:20 PM
 #10

Seasonic makes their own PSUs, as well as PSUs for other major brands, and I'll trust a proven manufacturer (35+ years of business) over a 7 year old manufacturer any day

If you ever personally un-boxed a SeaSonic PSU.  you would never buy another brand, I wont.  It is like un-boxing and apple product.  you can tell/feel it was put together well.


The other 'last' point i will make.  when debugging problems with rigs, which if your a miner, you will have to do from time to time.  I never have to think "I wonder if the power is the issue"  !

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mufa23
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May 15, 2012, 06:22:09 PM
 #11

It is like un-boxing an apple product.  you can tell/feel it was put together well.
Stopped reading right there... Roll Eyes

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May 21, 2012, 02:36:11 AM
 #12

yeah, PSU is the most important part.  if you buy a good one it'll last for half a decade or more.  i have an 850w thermaltake toughpower that i've had chugging along since.... probably 2006...

anyway, I've been happy w/ my seasonics... but also the aurum FSP gold, it's maybe $10 or $20 cheaper

Dacentec, best deals for US dedicated servers. They regularly restock $20-$25 Opterons with 8-16GB RAM & 2x1-2TB HDD's (ofc, usually lots of other good stuff to choose from).  I did a Serverbear benchmark of one of my $20/mo Opteron (June last year), it's here.  Have had about a half dozen different servers with Dacentec, & none have failed to sustain at least 40MB/s (burst higher). My favorite is a 12-month rent-to-own ZT Systems 2XL5520 16GB 2x2TB SATA for $40/month (got lucky with the 'off-brand', haven't seen a RTO 2xL5520 for under $50/mo since -- at least for monthly contracts).  wholesaleinternet.com has some ancient 2-core intel CPUs @ $10/mo sometimes (I got an Intel Core 2 6300 @ 1.86GHz, with a 250GB HDD with 46000 hours on it, LOL. $20 @ Dacentec is much better, if you can grab one). joesdatacenter.com (same location as Wholesale Internet) also occasionally has specials (or if you don't want to wait, it has an AMD Opteron 170 @ $16/mo).
Dalkore
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May 21, 2012, 03:45:21 AM
 #13

This will run great: http://www.newegg.com/Product/Product.aspx?Item=N82E16817182200

$51 (with promo) and free shipping. 630 watt. Single 12V 50amp rail. I am running one of these for three underclocked 5830s. Should run two overclocked 5830s very well. Can't beat the price either.

You are welcome.

that is a wal-mart style product...  there is a reason it is soo cheap.
That's because Rosewill is owned by Newegg. Newegg makes their own product without having to buy from a vendor, which makes it a cheaper price. It's also on sale, which makes it even cheaper. I personally own one of these myself, and it's a solid and stable PSU. I don't think an extra $100~ is worth the 80 Gold, 3 extra years warranty, and name brand. Unless you have a lot of money to throw around, I wouldn't bother.
+1.

I wouldn't buy, say, a Dynex to power a mining rig (tried that, it would restart every couple of days), but anything better should do just fine.  Buying an overpriced PSU for mining is just buying insurance that you don't need.  JMO.  The important part is keeping it cool, as I learned when I killed a 750w Corsair with 3 5830's.

probably because the corsair is not rated to run at 100% of the 750w 24/7.  the SeaSonics are rated to run at full wattage 24/7.    Suit yourself.  


I didn't want to wade in but I do think there is some wisdom here.  These are machines that "need" to run 24/7 for you to expect to pay them off and make a profit.  Spending a little more on one of the 3 core items in a mining rig (Motherboard, GPUs and PSU) is a wise investment over the long run.   I tried a PC & Power Cooling PSU from a recommendation but in the future I will be using only Seasonic because of it being rated in a 24/7 environment.  That is actually worth the extra $50 in the long run.

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