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Which is the best PSU for my system? - Page 3

post #21 of 25
For the record, SSDs have a power consumption in the single digits, they're not even worth mentioning. As for liquid cooling, the only thing that actually draws power in a liquid loop is the pump, and that does not draw a lot of power. Of course there are fans involved in a loop, but you already have fans, so no big difference there.

I see you already have a SeaSonic X750 according to your signature. If that's the case, you do not need an upgrade even with the various upgrades you have in mind. If you don't already have that X750, then read on.

As has been mentioned earlier, your system (+ your planned upgrades) would be perfectly fine on a good 650W unit, so that's my recommendation if you're getting a new unit. There would be no sense in going beyond 750W.
Look into the Antec TP-650, the SeaSonic X650, the NZXT Hale90 650W or either of XFX's two 650W units (one's modular and the other isn't, but both are made by SeaSonic).
If you decide on a 750W unit, then look into the Antec TP-750, Antec HCG-750, XFX Core 750W, XFX Black Edition 750W, NZXT Hale90 750W or Corsair AX750. If you can find a SeaSonic SS-750HT, it's an awesome albeit plain-looking and non-modular unit. I know it's been out of stock on the US Newegg for a while, but I believe I've seen it on Canadian sites. Don't bother with the SeaSonic X750 since the Corsair AX750 is the same unit with a longer warranty for roughly the same price.
post #22 of 25
Thread Starter 
I suppose I should have made things clearer, I'm buying the system in my sig 2 weeks from now, definitely excited!
And I was asking about the corsair ax850w versus a SeaSonic x750, although I suppose the xfx psu's are factors now as well. The main reason I'm interested in the 850W despite it being overkill is because I found a deal for it, only $150!

If there's a PSU better than the ax850 at around or less it's price please tell me. Unless it's complete crap in which case I'll probably just get an x760
March 2011
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asus P67 Sabertooth AMD XFX Radeon 6950 Corsair Vengeance 8GB (2x4GB) 1600mhz 
Hard DriveOptical DriveOSMonitor
2x1TB Western Digital Asus 24X DVD Burner Windows 7 Home Premium Asus ML248H 
KeyboardPowerCase
Microsoft Comfort Curve 2000 Corsair AX850 Cooler Master HAF X 
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March 2011
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asus P67 Sabertooth AMD XFX Radeon 6950 Corsair Vengeance 8GB (2x4GB) 1600mhz 
Hard DriveOptical DriveOSMonitor
2x1TB Western Digital Asus 24X DVD Burner Windows 7 Home Premium Asus ML248H 
KeyboardPowerCase
Microsoft Comfort Curve 2000 Corsair AX850 Cooler Master HAF X 
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post #23 of 25
Well... I can't stop you from getting a 850W unit even though I think you might never use that kind of power. I'm not sure I understand why you're comparing the X750 and the AX850, they're based on the same platform made by SeaSonic and perform very similarly, just the one is a 750W unit and the other is a 850W unit obviously. SeaSonic also has an X850 and that's basically the same unit as the AX850, just with a shorter warranty. The Corsair modular cables are sleeved differently, too. No matter which you get though, they are high-end units.

Anyway, personally, unless full modularity was an absolute must, then I'd get the XFX 850W Black Edition as far as 850W units are concerned. Out of all 850W units you could possibly get, it's among the very best in terms of performance, and it's also among the cheapest. Then again, if like you said you can get the Corsair AX850 for 150 Canadian dollars, that's probably a better value overall.
post #24 of 25
Thread Starter 
Awesome thanks.
Actually the xfx 850 and the ax850 costs the same where I am.
In terms of raw performance, which is better?

Thanks
March 2011
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asus P67 Sabertooth AMD XFX Radeon 6950 Corsair Vengeance 8GB (2x4GB) 1600mhz 
Hard DriveOptical DriveOSMonitor
2x1TB Western Digital Asus 24X DVD Burner Windows 7 Home Premium Asus ML248H 
KeyboardPowerCase
Microsoft Comfort Curve 2000 Corsair AX850 Cooler Master HAF X 
  hide details  
Reply
March 2011
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asus P67 Sabertooth AMD XFX Radeon 6950 Corsair Vengeance 8GB (2x4GB) 1600mhz 
Hard DriveOptical DriveOSMonitor
2x1TB Western Digital Asus 24X DVD Burner Windows 7 Home Premium Asus ML248H 
KeyboardPowerCase
Microsoft Comfort Curve 2000 Corsair AX850 Cooler Master HAF X 
  hide details  
Reply
post #25 of 25
They are extremely close in performance. The efficiency is slighter higher on the AX850 so I'd go for that if they cost the same. Probably a better warranty with the Corsair aswell.
Edited by GameBoy - 2/10/11 at 10:18am
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jbl lsr305 
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