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looking for a new power supply.

kingkung

kingkung

Member
Hi, i am currently running a Asus M4A79XTD mobo, with 2x2gb g skillz 1600 ram, 1tb seagate 32mb 7200 rpm HDD, asus 6870 ATI gpu, pc-i sound blaster X-Fi gamer sound card, amd athlon x3 rana 450 cpu( 4th core unlocked), Hyper 212 cpu fan, ide dvd burner, my currently psu is antec eco neo 520watt. I am planning on getting another asus 6870 GPU to do a Crossfire set up, I need to know what Power supply would be best for this (i want to stay around 100-130. thank you,
 
Corsair Enthusiast Series TX850V2 (OR 750V2), Corsair Gaming Series GS800.
Seasonic SS 850 HT
XFX Core Edition Pro 850 w (or 750)
Antec True Power NEW TP750.
 
ok, im looking at the choices listed, is there any difference between 1 rail or 4 rails? is one better then the other? what does the multiple rails do?
 
In a properly designed power supply it makes no difference whether there are one, two three, four six or more rails.
In a one rail system all plugs have high ampherage potential. Since any circuit protection only acts after this exceeds the total available there is a potential for interesting times.
Multirail systems put protection on each rail, generally the intent is to split the loading into separate "zones" sort of like wiring a house. Done poorly you can try to draw too much from one rail and none from another.
Buy a good psu and relax. The designers know this, and build accordingly.
Some cheapo brands label their psu's according to fashion, ie one year its single rail, the next multi or vice versa with no changes.
 
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my friend is sellling a cool master silent pro 800 watt 80 plus gold for a good price, is cool master a good brand and is this psu any good?
 
IMO, there's nothing wrong with buying a PSU that has more capacity than you NEED. In fact, I prefer to have a PSU that can produce at least 50% more than my computer should require under load.
 
Thanks for the response, I feel much better about my purchase, now I just need to get another Asus HD 6870. 🙂
 
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