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Help me decide on PSU

C

cmdrdredd

Weaksauce
Joined
Nov 5, 2006
Messages
127
Looking at the Seasonic X-750 and the Corsair HX850.

I want something modular, the Seasonic is fully modular. However my components are going to be as follows so if there's reason to get one over the other please do tell.

Asus P5Q Deluxe Mobo
Q9550 (overclocked to 3.6ghz or so)
4GB G.Skill DDR2-800 (2x2GB)
1x WD Velociraptor 300GB
2x WD Caviar SE16 250GB HDDs
1x Seagate 1TB 7200.11 HDD
1x EVGA GTX-295 overclocked to 608/1180/1370
1x BFG 9600GT OC (physix card)
Cooler Master HAF-932 case with three 250mm fans, one 140mm, and a 120mm fan on my CPU cooler.

that's it aside from my XFI soundcard and Blu-Ray/DVDRW drive.

Basically I don't know if I should go for the higher wattage of the HX850 and the higher amperage rating on the +12v rail.I do like the efficiency of the Seasonic unit, but don't know if 750w and 62A on the +12v rail is borderline for this system. My TX750 psu is dead more or less and just gives headaches whenever it's plugged into the system, something happened so I am replacing it and updating the motherboard. Maybe I put too much strain on the TX750 and really could use the extra headroom on the HX850?

Thanks
 
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The X-750 would be enough, but I'd go with the Corsair for the extra headroom unless you really have a need for the higher efficiency of the Seasonic (probably not).
 
No, I don't have a need for the efficiency, I just like that in a PSU, not that the HX850 isn't efficient enough as it is. The HX850 is a bit less expensive too so maybe it's a sign to go for more power lol.
 
Yes, in your situation I'd say the higher power output of the HX850 is more important than the slightly better efficiency of the Seasonic.
 
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