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Author Topic: anyone got 4 5830s in a machine? in a case  (Read 4681 times)
darvil
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June 05, 2011, 05:14:58 AM
 #21

1k is probably enough for 5 x 5830's, so I am looking at smaller PSUs:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006

I think the above PSU would be sufficient for 3 x 5830, unsure about 4x

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139009
http://www.newegg.com/Product/Product.aspx?Item=N82E16817153106

I am thinking either one of these would be sufficient for 4 x 5830
I'm actually only running three of them, because the top PCIe slot on my motherboard is dead.  But the bottom one is too close to the bottom of the case to use without an extender.

And I use that exact PSU for 3 of them.  I have a feeling it is overkill, but oh well.  I bet it would run 4 just fine...

You are using the CORSAIR CMPSU-750TX for three of them?
Yes, works just great.  I have one of them overclocked to 975mhz on a little more voltage too... would have overclocked all of them, but I couldn't figure out a way to do it with Trixx.
Just FYI, my 750TX just died last night.  I was running 3 5830's and a C2D processor (50%-60% usage).  I suspect heat had something to do with it, as the air coming out of it was always blazing hot, and I don't have any case fans (just left the side panel off).  Still, it may be insufficient for 3 5830's, so I thought I'd send out the warning.  I bought an 850w ThermalTake to replace it, as that was the only decent PSU available within a 2 hour drive.  Now I have the case laying on its side, so less heat will be directed through the PSU.  We'll see how things go this time around...  Smiley

Thanks for the warning.  I will be using a 1K psu if I was to do 4 of them.  Also do you regularly check the temp?  Did you know how hot it got?  I've been running mine pretty hot (low 70s to low 80s) and the cards seem to work fine (5850s etc).

I will be getting the new stuff this tuesday so we'll see what happens.
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frozen
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June 05, 2011, 06:17:12 AM
 #22

1k is probably enough for 5 x 5830's, so I am looking at smaller PSUs:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006

I think the above PSU would be sufficient for 3 x 5830, unsure about 4x

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139009
http://www.newegg.com/Product/Product.aspx?Item=N82E16817153106

I am thinking either one of these would be sufficient for 4 x 5830
I'm actually only running three of them, because the top PCIe slot on my motherboard is dead.  But the bottom one is too close to the bottom of the case to use without an extender.

And I use that exact PSU for 3 of them.  I have a feeling it is overkill, but oh well.  I bet it would run 4 just fine...

You are using the CORSAIR CMPSU-750TX for three of them?
Yes, works just great.  I have one of them overclocked to 975mhz on a little more voltage too... would have overclocked all of them, but I couldn't figure out a way to do it with Trixx.
Just FYI, my 750TX just died last night.  I was running 3 5830's and a C2D processor (50%-60% usage).  I suspect heat had something to do with it, as the air coming out of it was always blazing hot, and I don't have any case fans (just left the side panel off).  Still, it may be insufficient for 3 5830's, so I thought I'd send out the warning.  I bought an 850w ThermalTake to replace it, as that was the only decent PSU available within a 2 hour drive.  Now I have the case laying on its side, so less heat will be directed through the PSU.  We'll see how things go this time around...  Smiley

Do you think that if the heat from the cards hadn't been directed to the PSU it might not have died? I am running caseless setup

SgtSpike
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June 05, 2011, 06:32:20 AM
 #23

1k is probably enough for 5 x 5830's, so I am looking at smaller PSUs:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006

I think the above PSU would be sufficient for 3 x 5830, unsure about 4x

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139009
http://www.newegg.com/Product/Product.aspx?Item=N82E16817153106

I am thinking either one of these would be sufficient for 4 x 5830
I'm actually only running three of them, because the top PCIe slot on my motherboard is dead.  But the bottom one is too close to the bottom of the case to use without an extender.

And I use that exact PSU for 3 of them.  I have a feeling it is overkill, but oh well.  I bet it would run 4 just fine...

You are using the CORSAIR CMPSU-750TX for three of them?
Yes, works just great.  I have one of them overclocked to 975mhz on a little more voltage too... would have overclocked all of them, but I couldn't figure out a way to do it with Trixx.
Just FYI, my 750TX just died last night.  I was running 3 5830's and a C2D processor (50%-60% usage).  I suspect heat had something to do with it, as the air coming out of it was always blazing hot, and I don't have any case fans (just left the side panel off).  Still, it may be insufficient for 3 5830's, so I thought I'd send out the warning.  I bought an 850w ThermalTake to replace it, as that was the only decent PSU available within a 2 hour drive.  Now I have the case laying on its side, so less heat will be directed through the PSU.  We'll see how things go this time around...  Smiley

Thanks for the warning.  I will be using a 1K psu if I was to do 4 of them.  Also do you regularly check the temp?  Did you know how hot it got?  I've been running mine pretty hot (low 70s to low 80s) and the cards seem to work fine (5850s etc).

I will be getting the new stuff this tuesday so we'll see what happens.
The temps of the cards were generally 70-85c.  I didn't check the temps of the PSU (is that even possible?)

1k is probably enough for 5 x 5830's, so I am looking at smaller PSUs:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006

I think the above PSU would be sufficient for 3 x 5830, unsure about 4x

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139009
http://www.newegg.com/Product/Product.aspx?Item=N82E16817153106

I am thinking either one of these would be sufficient for 4 x 5830
I'm actually only running three of them, because the top PCIe slot on my motherboard is dead.  But the bottom one is too close to the bottom of the case to use without an extender.

And I use that exact PSU for 3 of them.  I have a feeling it is overkill, but oh well.  I bet it would run 4 just fine...

You are using the CORSAIR CMPSU-750TX for three of them?
Yes, works just great.  I have one of them overclocked to 975mhz on a little more voltage too... would have overclocked all of them, but I couldn't figure out a way to do it with Trixx.
Just FYI, my 750TX just died last night.  I was running 3 5830's and a C2D processor (50%-60% usage).  I suspect heat had something to do with it, as the air coming out of it was always blazing hot, and I don't have any case fans (just left the side panel off).  Still, it may be insufficient for 3 5830's, so I thought I'd send out the warning.  I bought an 850w ThermalTake to replace it, as that was the only decent PSU available within a 2 hour drive.  Now I have the case laying on its side, so less heat will be directed through the PSU.  We'll see how things go this time around...  Smiley

Do you think that if the heat from the cards hadn't been directed to the PSU it might not have died? I am running caseless setup
Certainly possible.  I know that much heat doesn't help a PSU run its best, so it might just have died due to the heat.  Hard to say whether it was overload, or heat, or both.  I need to just hook it up to my battery backup to see how much it is actually drawing, but don't want to shut down my server to do so.
gigabytecoin
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June 05, 2011, 06:38:40 AM
 #24

I know you can use cables so you don't have to have a motherboard that have all the slots but I was wondering what strategies or things or cases people are using to fit them in.  Since I need to place them somewhere that isn't where I live, I can't have it open air otherwise I would do it. 

Why can't you do open air?

4 cards in squeezed together inside of a case will not work... not at stock clocks at least... you will probably have to underclock them (gpu and mem) to get your temperatures to an acceptable level for running 24/7...
srty
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July 08, 2011, 11:58:55 PM
 #25

I have 3 Sapphire 5830s in a case, but they keep getting too hot. Top one was at 102C when I had it overclocked, but I backed it down.  It's now at about 92C. To keep sound down, I'd prefer to keep them in a case, and it also protects them from my pets.

How can I cool these things if they're stuck in a case? They have a 1/2 centimeter of space between them, and the case already has a top fan and a side fan.  Help please.

Tips/pity: 1Hr9g2fMaf1TCpJ9mv7VVur2bn4raKEQ8D
http://bitcoinpool.com/uimg.php?u=srty (http://bitcoinpool.com/index.php?do=userprofile&id=srty)
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July 09, 2011, 12:01:58 AM
 #26

How can I cool these things if they're stuck in a case? They have a 1/2 centimeter of space between them, and the case already has a top fan and a side fan.  Help please.

Put a couple of intake fans on the front.

15UFyv6kfWgq83Pp3yhXPr8rknv9m6581W
mike678
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July 09, 2011, 12:30:50 AM
 #27

I have 3 Sapphire 5830s in a case, but they keep getting too hot. Top one was at 102C when I had it overclocked, but I backed it down.  It's now at about 92C. To keep sound down, I'd prefer to keep them in a case, and it also protects them from my pets.

How can I cool these things if they're stuck in a case? They have a 1/2 centimeter of space between them, and the case already has a top fan and a side fan.  Help please.
I'm getting this fan just waiting for it to be delivered.
http://www.newegg.com/Product/Product.aspx?Item=N82E16835213001

Ill let you guys know how much of a difference it makes.
evlew
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July 09, 2011, 02:10:38 AM
 #28



4x 5830's there ya have it.
msi 890fx gd70 (6 pcie slots)
295mhps per card
950 core /300 mem
runs 24/7 with help of a small house fan
linuxcoin

oh yea i recently cut that grill out of the front and have a fan exhausting the air
AngelusWebDesign
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July 09, 2011, 06:56:43 PM
 #29

1k is probably enough for 5 x 5830's, so I am looking at smaller PSUs:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006

I think the above PSU would be sufficient for 3 x 5830, unsure about 4x

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139009
http://www.newegg.com/Product/Product.aspx?Item=N82E16817153106

I am thinking either one of these would be sufficient for 4 x 5830
I'm actually only running three of them, because the top PCIe slot on my motherboard is dead.  But the bottom one is too close to the bottom of the case to use without an extender.

And I use that exact PSU for 3 of them.  I have a feeling it is overkill, but oh well.  I bet it would run 4 just fine...

You are using the CORSAIR CMPSU-750TX for three of them?
Yes, works just great.  I have one of them overclocked to 975mhz on a little more voltage too... would have overclocked all of them, but I couldn't figure out a way to do it with Trixx.
Just FYI, my 750TX just died last night.  I was running 3 5830's and a C2D processor (50%-60% usage).  I suspect heat had something to do with it, as the air coming out of it was always blazing hot, and I don't have any case fans (just left the side panel off).  Still, it may be insufficient for 3 5830's, so I thought I'd send out the warning.  I bought an 850w ThermalTake to replace it, as that was the only decent PSU available within a 2 hour drive.  Now I have the case laying on its side, so less heat will be directed through the PSU.  We'll see how things go this time around...  Smiley

Hey Sgt --

Are you one of those who thinks a 5830 is wasted unless it's OC'd to the 300+ range?

Personally, I have my 5830's bringing in about 270 MH/s each.  After all, it's not like they ARE a 300 MH/s card -- that's not exactly their stock output. I don't do aggressive OC'ing.

My point -- did you have them overclocked much? Because if so, they use a lot more than 140W each.

Matthew
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