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Corsair HX520W enough for GTX460 Cyclone OC?

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September 27, 2010 9:13:58 PM

I was wondering if the Corsair HX520W would handle a GTX460 MSI Cyclone OC 1GB on a i7 860, 4GB RAM and 3 SATAII drives.

The PSU has a 3 rail design with 18A per rail. Will that be enough?
http://www.corsair.com/products/hx/default.aspx

I don't know how the 2 PCIe connectors will power the card. Either one could have 18A or both could share the 18A rail. :o 

Thanks!
a c 164 ) Power supply
September 27, 2010 9:36:39 PM

i'm pretty sure that PSU has a single 12v rail that has been split rather then three individual rails. either way you will have no issue.

even an OC GTX 460 and OC i7 system won't break 330w

September 27, 2010 9:40:09 PM

ct1615 said:
i'm pretty sure that PSU has a single 12v rail that has been split rather then three individual rails. either way you will have no issue.

even an OC GTX 460 and OC i7 system won't break 330w


OK :D 

Thanks!
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a c 248 ) Power supply
September 28, 2010 5:07:13 AM

ct1615 - very nice chart. I added it to my bookmarks for future reference.

Bibanu - That chart shows system power consumption at idle and maximum during the Furmark stress test. During a gaming session a pc system will typically use less power than that shown for FurMark.

The Corsair HX520 is an older model. Four years ago jonnyguru.com did a technical review:

http://www.jonnyguru.com/modules.php?name=NDReviews&op=...

ct1615 suggested the psu has one large +12 volt rail that was split rather than three separate rails. I'm pretty sure ct1615 is right. The reviewer at jonnyguru.com could not confirm the psu has three separate rails.

btw - The data label on the psu clearly indicates that the maximum wattage for the +12 volt rails is 480 watts. To determine the amperage one divides the the wattage by 12 volts. 480 watts divided by 12 volts = a total of 40 amps on the +12 volt rail(s).
September 28, 2010 9:31:45 AM

I went for the Corsair TX650W model
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

It's non-modular, but I think I can manage the cables, it has a single rail, so it should be better on the GTX 460 and it's 650W, more than the system will require, but at least it will run smooth, cool and quite. :D 
a c 243 ) Power supply
September 28, 2010 12:39:46 PM

ct1615 said:

even an OC GTX 460 and OC i7 system won't break 330w

My 980x at 4.27 and Asus ENGTX460 pull 410w from the wall running Furmark, 570w Furmark and Prime combined.
a c 248 ) Power supply
September 28, 2010 1:58:01 PM

delluser1 - Any idea what your systems pulls during a gaming session?
a b ) Power supply
September 28, 2010 2:50:25 PM

I had one friend whose HX520W turned out to be a fake! Corsair Service Center refused to RMA it! :) 
a c 243 ) Power supply
September 28, 2010 4:03:56 PM

JohnnyLucky said:
delluser1 - Any idea what your systems pulls during a gaming session?

No games loaded on it, yet.
September 29, 2010 11:54:34 AM

hell_storm2004 said:
I had one friend whose HX520W turned out to be a fake! Corsair Service Center refused to RMA it! :) 

Now they're fakeing power supplies? Where did he get it from, ebay?
a b ) Power supply
September 29, 2010 12:02:09 PM

Heard it from the friend. I dont know how they do it. Anyone would be fooled after seeing the packaging! :) 

In India, they can fake a Ferrari!! :p 
!