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Antec TP750 & GTX470 SLI??

post #1 of 5
Thread Starter 
Pretty sure I know the answer already....
But always like a little reassurance...

My Antec TruePower NEW TP750 good enough to add another 470?



The PSU calc says I would need min 623w, recommend 675w for my system with another 470 added...
The Money Pit
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120GB Vertex Plus 2 x 500GB WD Blues RAID0 Lite-On DVD/CD Custom H20 Loop 
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Win 7 Ulti-64 25" I-Inc iH253 Antec TruePower New TP-750 CoolerMaster HAF 932 
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The Money Pit
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-950 - 4.24 @ 1.40v Batch #3941B089 EVGA X58 SLI LE MSI 580 GTX Lightning - 950/1900/2200 @ 1.1v 6GB Mushkin @ 1475 - 6-8-6-24 
Hard DriveHard DriveOptical DriveCooling
120GB Vertex Plus 2 x 500GB WD Blues RAID0 Lite-On DVD/CD Custom H20 Loop 
OSMonitorPowerCase
Win 7 Ulti-64 25" I-Inc iH253 Antec TruePower New TP-750 CoolerMaster HAF 932 
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post #2 of 5
You'll be fine.
post #3 of 5
PSU Calculators hugely overestimate the amount of power you need, not to mention the power they state is at the wall. Even if we were to take into account a recommended 675 at the wall, since the Power Supply has ~84% efficiency, it'd only need to output 567W. So in reality the amount there would be 567W.

That, and since I told you they over-estimate, you'd need to remove around 75-100W for their estimate to be realistic. In reality a 600W PSU would be enough for your SLI GTX 470 and your CPU. Your TPN-750W won't break a sweat even if everything is heavily over-clocked.
    
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Seagate Momentus 7200.4 320GB LG GSA-T50N, HP dvd1170r Windows 7 Home Premium 64-bit HP W2207 22" (1680x1050) 
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post #4 of 5
Yes.
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Rig
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5820k ga-x99-sli gigabyte 7970 wf 16gb 4x4 lpx 
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samsung 830 128gb ven x/gt ap-15 evga g2 650w corsair 450d 
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post #5 of 5
Thread Starter 
thanks folks...

Kinda what I figured, but I always appreciate a second opinion...
The Money Pit
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-950 - 4.24 @ 1.40v Batch #3941B089 EVGA X58 SLI LE MSI 580 GTX Lightning - 950/1900/2200 @ 1.1v 6GB Mushkin @ 1475 - 6-8-6-24 
Hard DriveHard DriveOptical DriveCooling
120GB Vertex Plus 2 x 500GB WD Blues RAID0 Lite-On DVD/CD Custom H20 Loop 
OSMonitorPowerCase
Win 7 Ulti-64 25" I-Inc iH253 Antec TruePower New TP-750 CoolerMaster HAF 932 
  hide details  
Reply
The Money Pit
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-950 - 4.24 @ 1.40v Batch #3941B089 EVGA X58 SLI LE MSI 580 GTX Lightning - 950/1900/2200 @ 1.1v 6GB Mushkin @ 1475 - 6-8-6-24 
Hard DriveHard DriveOptical DriveCooling
120GB Vertex Plus 2 x 500GB WD Blues RAID0 Lite-On DVD/CD Custom H20 Loop 
OSMonitorPowerCase
Win 7 Ulti-64 25" I-Inc iH253 Antec TruePower New TP-750 CoolerMaster HAF 932 
  hide details  
Reply
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