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Which one?

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February 15, 2010 3:36:21 PM

--- CPU ---
Intel Core i3 540
will be overclocking it

--- Motherboard ---
ASUS P7P55D-E

--- GPU ---
XFX ATI HD5850 725M 1GB DDR5

--- Ram ---
Gskill DDR3 PC-12800 ECO 4GB

--- CPU Cooler ---
Prolimatech Megahalems Rev. B

---HDD---
Samsung Spinpoint F1 1TB Sata 2.0
Maxtor 320 GB Sata 2.0

---Soundcard---
Creative X-Fi Gamer Edition

---Others---
Some usb devices
LG DVD-RW/DVD+RW Drive
Front Bay LCD Display and fan controller.
Maybe a bluray in sometime.


This is the list of all available PSU
Was looking at PSU and found these

Corsair HX-620W Modular
http://pcdiga.com/pcdiga/Produto.asp?Familia=Hardware&A...


Fonte Corsair TX-750W
http://pcdiga.com/pcdiga/Produto.asp?Familia=Hardware&A...

Corsair TX-650W
http://pcdiga.com/pcdiga/Produto.asp?Familia=Hardware&A...

Corsair HX-520W Modular
http://pcdiga.com/pcdiga/Produto.asp?Familia=Hardware&A...

what do u think?
are any of these any good?
Which one should i choose? or should i choose a totally different one (other brand or model) ?

More about : question

a c 248 ) Power supply
February 15, 2010 9:49:09 PM

Here are the official power requirements for the new ATI Radeon HD 5850 and HD 5870 video cards.


ATI Radeon™ HD5850 System Requirements:

PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard

500 Watt or greater power supply with two 75 watt, 6-pin, PCI Express® power connectors.

600 Watt or greater power supply with four 75 watt, 6-pin, PCI Express® power connectors for ATI CrossFireX™ technology in dual mode.


ATI Radeon™ HD5870 System Requirements:

PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard.

500 Watt or greater power supply with two, 75 watt, 6-pin, PCI Express® power connectors.

600 Watt or greater power supply with four, 75 watt, 6-pin, PCI Express® connectors for ATI CrossFireX™ technology in dual mode.

The power supply recommendations are for an entire pc system.


Corsair has a reputation for high quality power supplies that consistently earn high marks in technical reviews. They are reliable, stable, and come with a 5 year warranty. Some of the newer models come with a 7 year warranty.


If you are positive you will only be installing one video card, then the Corsair HX520 would be an appropriate choice.
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a c 136 ) Power supply
February 15, 2010 10:12:26 PM

You'll want the F3 not the older F1 or the 7200.12 HD's.

NZXT Sentry 2 for the fan controller.

Stick w/ the on board audio until you've at least decided whether it satisfies your needs.

As for PSU, you considering Xfire (2nd GFX card) as a future upgrade ? I am going to assume no based upon your MoBo selection. This will get you twin GFX at x8 x8
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

this will get it at x16 x16
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

PSU - For single GFX and moderate OC'ing you'll want a 500 - 650 watter w/ a 9.0 - 9.5 performance rating at jonnyguru.com or better; for twin GFX and moderate OC'ing you'll want a 650 - 850 watter w/ a 9.5 - 10.0 rating.

I usually start here:

http://www.silentpcreview.com/Recommended_PSUs

Of the ones you listed, I'd limit your choices to the HX series.



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Related resources
February 15, 2010 10:25:35 PM

Ok thank you.
As for the fan controller and the sound card and hdd i already have them.

as for the PSU i was just worried because when i did a calculation here http://www.thermaltake.outervision.com/Power of the Watts needed it came out to almost 500W and something.
so i thought it might be too tight and with no space for aging, as i intend to keep the system for atleast 3 years, aging is something to take into consideration i think.
as for the second GFX card yeah most probably won't be adding it.
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a c 248 ) Power supply
February 15, 2010 10:34:12 PM

I happen to have a Corsair HX620 that I purchased when the psu was first introduced. I used it constantly for almost 5 years. I still use it in my emergency back-up system. A few weeks ago I conducted a couple of torture and temperature tests in response to questions about fans mounted on a case side panel. The voltage was still well within specifications and rock steady. I normally would have installed that psu in my new system but I decided it was time I had an emergancy back-up so I did not pull it out of my old system.
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