Which PSU to choose?

[champs]

Hello people, this is my first build and I'm a lot confused about PSU, this are my spec:

-i5 760
-Asus P7P55D-E Premium
-2GB
-1 HDD
-1 BluRay reader
- Gigabyte Radeon HD 5770 1024MB GDDR5

It's easy to me to buy at microcenter and I'm been watching some options but if you can suggest something better for less than $85-90 its ok, what do u say about:

-OCZ StealthXStream 2 600 Watt
-Thermaltake TR2 600 watt
-Cooler Master extreme power plus 600 watt

Thank you!

 

[beanoslim]

Your system only needs a decent 400w psu.

If you think you may go XFire or upgrade you card you may want to go 500w.

This would cover you - http://www.microcenter.com/single_product_results.phtml?product_id=0303417

 

[champs]

thank you, but you read my mind I was thinking about a future upgrade to crossfire.
what do you think about:

XFX 650 Watt XXX Edition
http://www.microcenter.com/single_product_results.phtml?product_id=0349755

 

[beanoslim]

Yes thats a nice psu, more than you need but more power isn't a problem.

The OCZ would run XFire 5770's and is cheaper, the XFX would run more powerfull cards and does have 4xpci-e.

 

[JackNaylorPE]

I'd get a 650 watter as it will handle just about any single current GFX card easing any upgrade worries. For twin cards, I put in 850 watters which again will handle just about any current twin cards but the 480/580 and 5970.

With PSUs hitting peak efficiency at 50% load, any premium your paying in purchase cost over a smaller size unit, is easily recovered in electric costs over its lifetime.

For comparison purposes , the list below contains performance ratings (10 scale) at jonnyguru.com / prices as per newegg on 02/26/2010 and ones w/ double asteris (**) made it onto silentpcreview.com's Editor's Choice List:

Note: Just because you see a brand name on this list, never make the assumption that their other lines are of matching quality. Silverstone for example has other models w/ 6.0 and 7.0 ratings.

650 watters

Antec Signature 650W (10.0) OOS **
Seasonic X-650 650W (10.0) $160 **
Silverstone Olympia OP650 (10.0) NFS

Thermaltake Toughpower QFan 650W (9.5) NLA

Antec Earthwatts EA650 650W (9.0) $75

850 Watters

Antec SG-850 - 10.0 ($220) **
Antec CP-850 - 10.0 ($110) **
XFX 850W Black Edition 10.0 ($185)
Corsair HX850 850W - 10.0 ($180)

Antec TruePower Quattro (TPQ-850) - 9.5 ($150)
Corsair TX850 - 9.5 ($140)
Seasonic M12D 850W - 9.5 (NLA) **
NorthQ Giant Connector 850W - 9.5 (NFS)
Etasis ET850 - 9.5 (NLA)
Silverstone Zeus ST85ZF - 9.5 (NLA)

Enermax Revolution 85+ 850W - 9.0 ($250)


NFS - Not For Sale / NLA = No Longer Available / OOS - Out of Stock

 

[champs]

thankyou all people

@JackNaylorPE: I'll consider that for my next upgrade

@beanoslim: thank you, I'm getting the ocz

 

[champs]

Best answer selected by champs.

 

[Mousemonkey]

This topic has been closed by Mousemonkey