cumminbk Posted November 20, 2007 Share Posted November 20, 2007 Are there any sites that compare these two PSUs? I have having a hard time deciding which is better for a high end gaming system. Seasonic has 4 rails vs Corsairs 3 rails. And i believe seasonic is more efficient. But im looking for a good comparisonthanks Link to comment Share on other sites More sharing options...
puntoMX Posted November 20, 2007 Share Posted November 20, 2007 I think the site from SilentPCreview will help you on your way . Link to comment Share on other sites More sharing options...
Zxian Posted November 20, 2007 Share Posted November 20, 2007 The number of voltage "rails" is immaterial in most cases. Most consumer PSUs have a single transformer, and then various current limiters on the different "rails". The manufacturers do this to pass ATX specifications, but they're kinda cheating. You're kinda comparing apples and apples here - the Corsair PSU is actually OEM'd by Seasonic, so there's no difference in the quality of the components. It's really just a matter of branding. I'm asuming these are the two models in question:Seasonic S12 Energy Plus 550Corsair HX520 & HX620I've got the HX520 in my workstation and the HX620 in my file server. In order to get the best efficiency out of your PSU, you have to figure out what kind of load you're going to put on it. My workstation pulls about 250W from the wall, which means that the HX520 is sitting somewhere around the 85% efficency mark (about as good as it gets with any PSU). Just to give you an idea of what the HX520 is running at the moment:Intel Q6600 @ 3.0GHz (1.2V in CPU-Z)P5B-DLX motherboard4GB (4x1GB) DDR2-1066 @ DDR2-1000 4-4-4-122x WD3200AAKSPioneer DVR-212DEVGA 8600GT OC (576/1500)Like I said before, my Kill-a-Watt meter shows a load of about 250W when running Prime95 v0.25.4 and rthdribl. There's plenty of headroom to move up to a more powerful video card while still maintaining good efficiency.If I had to recommend one or the other - I'd go with the Corsair, just because everyone at SPCR was stunned at how quiet it was while maintaining rock solid stability (I helped review it afterall... ). Link to comment Share on other sites More sharing options...
cumminbk Posted November 21, 2007 Author Share Posted November 21, 2007 Great replays this is exactly the info i wanted. Thank you very much Link to comment Share on other sites More sharing options...
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