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Old ToughPower handle New CrossfireX build?

post #1 of 14
Thread Starter 
Take a look at my rig and let me know what you think.
I just ordered a 2nd MSI R7870 Hawk and just got concerned...
If this was back in 2006 when i bought the card, I wouldn't have questioned (as why I bought it), but as it is 6.5 years since I bought my PS I thought I would ask your opinion.
As my rig states I have a 750 watt toughpower, 4 rails, and has modular cables. Now this PS is so old, I wasn't able to find it on Thermaltake's website. I was going to post the link...
My 1st worry is not enough amps and will have to verify what they are when i get home.
My 2nd worry is age wear and tear. I did check volts under load (12, 5 etc) and they really do look as I expected.
I was running CF on a pair of 4850s for a few years with out issue and was running a pair of 1900xtx in CF for a short time. BTW in case you forgot, CF implantation sucked bad, back then.
I wasnt planning on buying a new PS as I didnt even consider this to be a possible issue... at first.

Thanks for any input...
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Just another PC
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post #2 of 14
Personally, I would stick with it if the voltages looked good. my friends rig I built for him runs that same PSU with 3x 8800GTX and it works without hitch and has been for a good 2 years, unless you like spending money, then why not biggrin.gif
   
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post #3 of 14
I was reading somewhere on here that, after a year or two, the PSU starts to degrade. But I might be wrong.

But if I'm correct, I recommend you upgrading to a new CPU just to be safe and not burn anything out.

Seasonic X series is good and there are some sales for it. Corsair also or Antec PSU, if you don't want to mess with those other brands. But those are a few.

Hope this helps! thumb.gif
post #4 of 14
750 watt toughpower. 6 years old or not that PSU will power your rig with ease. Event if you water cooled and put some massive overclock on thous parts you sill would not even come close to maxing out a 750W PSU.

Edit: Your PSU would not happen to be this model form 06 --> http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=7
Edited by Bit_reaper - 1/8/13 at 10:47am
    
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post #5 of 14
Thread Starter 
Quote:
Originally Posted by Rian View Post

Personally, I would stick with it if the voltages looked good. my friends rig I built for him runs that same PSU with 3x 8800GTX and it works without hitch and has been for a good 2 years, unless you like spending money, then why not biggrin.gif

Nope I don't like spending money and just trying to play it safe. I bought this PSU with the idea that it would have the power to do anything I needed for years to come. Not necessarily the last PSU I would ever have to buy... but would last me a long time.
Quote:
Originally Posted by SinX7 View Post

I was reading somewhere on here that, after a year or two, the PSU starts to degrade. But I might be wrong.
But if I'm correct, I recommend you upgrading to a new CPU just to be safe and not burn anything out.
Seasonic X series is good and there are some sales for it. Corsair also or Antec PSU, if you don't want to mess with those other brands. But those are a few.
Hope this helps! thumb.gif

My thought has been that as long the volts are strong under load, PSU is still in good shape. If i don't have to, I don't want to replace it.
Quote:
Originally Posted by Bit_reaper View Post

750 watt toughpower. 6 years old or not that PSU will power your rig with ease. Event if you water cooled and put some massive overclock on thous parts you sill would not even come close to maxing out a 750W PSU.
Edit: Your PSU would not happen to be this model form 06 --> http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=7

It looks just like it, but because of the odd design of my bench case I can not see the model number very easily. What I do remember is concern about the low amps on the 12 volt rails. And if this is the PSU, it does mention when combined 60 amps, so that's not that bad.
I will take it apart when i get home and verify the model number but would bet that is my PSU.
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Just another PC
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L226WTY-BF L226WTY-BF Logitech G15 (Original from 2006) Thermaltake ToughPower 750 watt w/4 rails 
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post #6 of 14

It's more than enough for this, and it's still fine.  To start with, check this out to learn just how good PSUs like yours are:

 

http://www.overclock.net/t/928113/a-message-to-the-community-on-enthusiast-power-supplies

 

Then check this out:

 

http://www.guru3d.com/articles_pages/amd_radeon_hd_7850_and_7870_review,7.html

 

With one 7870 under full load in their system, their PSU pulled 274W from the wall outlet.  The 7870 itself pulled 127W, so I will add 127W to the 274W in order to add in a 2nd 7870.  This makes the PSU pulling 401W from the wall outlet.  Their CPU was idling, so I have to add about 200W for your CPU which makes the PSU pulling 601W from the wall outlet.  So, if the PSU is 85% efficient while pulling 601W from the wall outlet, then that means the system is pulling up to 510W from the PSU.

 

So, you're very much in the clear.  ;)

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It's a computer!
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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post #7 of 14
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

It's more than enough for this, and it's still fine.  To start with, check this out to learn just how good PSUs like yours are:

http://www.overclock.net/t/928113/a-message-to-the-community-on-enthusiast-power-supplies

Then check this out:

http://www.guru3d.com/articles_pages/amd_radeon_hd_7850_and_7870_review,7.html

With one 7870 under full load in their system, their PSU pulled 274W from the wall outlet.  The 7870 itself pulled 127W, so I will add 127W to the 274W in order to add in a 2nd 7870.  This makes the PSU pulling 401W from the wall outlet.  Their CPU was idling, so I have to add about 200W for your CPU which makes the PSU pulling 601W from the wall outlet.  So, if the PSU is 85% efficient while pulling 601W from the wall outlet, then that means the system is pulling up to 510W from the PSU.

So, you're very much in the clear.  wink.gif

I have one of those WATT/usage things plugged into the wall, and my PC plugged into that...

while my PC is maxed out by folding, it says total WATT usage is 505 watts. Less than I expected, but not complaining. I mean, why would I?
so,
505 watts while folding, and each GPU is running around 60% load (13.2 beta drivers), CPU is 100%
Would you guys expect this to increase if both were 100%? I was going to say while playing a game, but the CPU will never reach 100% while gaming. The GPUs don't always even hit 100% while gaming...
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Just another PC
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CoolingCoolingOSMonitor
Zalman CNPS 9900 MAX 2x120mm Case Fans Windows 7 64bit  ASUS VE276Q 
MonitorMonitorKeyboardPower
L226WTY-BF L226WTY-BF Logitech G15 (Original from 2006) Thermaltake ToughPower 750 watt w/4 rails 
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post #8 of 14

Well, if your PSU is 85% efficient while pulling 505W from that, then your system is pulling 430W from the PSU.  ;)

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It's a computer!
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveHard Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Toshiba 3TB P300 
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Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail 
MonitorKeyboardPowerCase
AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 
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post #9 of 14
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

Well, if your PSU is 85% efficient while pulling 505W from that, then your system is pulling 430W from the PSU.  wink.gif

I resolved some over voting issues on my cpu using llc and now my system is pulling 425 watts at the wall while folding. I imagine once gfx driver issues are resolved and they can fold at 100% this may increase a bit. as they are still clocking at there top mhz while folding just not with 100% I don't see the increase in power being to much more... But for now, 425 watts is much less then I expected with my system.
Just another PC
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8350 FX GA-990FXA-UD5 MSI 7870 HAWK MSI 7870 HAWK 
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CMZ16GX3M2A1866C9 OCZ-AGILITY3 SSD OCZ-AGILITY3 SSD 2 x OEM SATA DVD R/W 
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Just another PC
(19 items)
 
  
CPUMotherboardGraphicsGraphics
8350 FX GA-990FXA-UD5 MSI 7870 HAWK MSI 7870 HAWK 
RAMHard DriveHard DriveOptical Drive
CMZ16GX3M2A1866C9 OCZ-AGILITY3 SSD OCZ-AGILITY3 SSD 2 x OEM SATA DVD R/W 
CoolingCoolingOSMonitor
Zalman CNPS 9900 MAX 2x120mm Case Fans Windows 7 64bit  ASUS VE276Q 
MonitorMonitorKeyboardPower
L226WTY-BF L226WTY-BF Logitech G15 (Original from 2006) Thermaltake ToughPower 750 watt w/4 rails 
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Lian Li T60 Bench Case G700s $60 in longer power/sata cables  
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post #10 of 14
Quote:
Originally Posted by EyeCU247 View Post


I resolved some over voting issues on my cpu using llc and now my system is pulling 425 watts at the wall while folding. I imagine once gfx driver issues are resolved and they can fold at 100% this may increase a bit. as they are still clocking at there top mhz while folding just not with 100% I don't see the increase in power being to much more... But for now, 425 watts is much less then I expected with my system.

 

If it's 85% efficient while pulling 425W from the wall outlet, then that would mean your system is pulling about 361W from the PSU.  ;)

It's a computer!
(20 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveHard Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Toshiba 3TB P300 
Optical DriveOptical DriveCoolingOS
Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail 
MonitorKeyboardPowerCase
AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 
MouseMouse PadAudioAudio
Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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It's a computer!
(20 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveHard Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Toshiba 3TB P300 
Optical DriveOptical DriveCoolingOS
Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail 
MonitorKeyboardPowerCase
AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 
MouseMouse PadAudioAudio
Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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