What psu should I get ?

Serapaxson · Apr 20, 2013

Hello, I am wondering what Psu would you guys recommend. I am building a gaming computer with the following parts, I have no idea on what psu will benefit me the best.

Parts list:
Cpu: Intel Core i7 3770K
Motherboard: Gigabyte G1-Sniper3
Case: Coolermaster HAF XM Case with Window
Gpu: Dual cross-fired AMD PowerColour Radeon HD7770 Ghz edition
Ram: Corsair CMV16GX3M2A1333C9 16GB KIT (2x8GB)
Operating System: Windows 7 Home Premium 64Bit

I'm also going to buy a Sapphire Radeon HD7970 GHz Edition 6GB Vapor-X Edition, around December. any ideas or Suggestions on my build ?

Cheers Serapaxson

Immaculate · Apr 20, 2013

Newegg PSU calculator.

http://images10.newegg.com/BizIntell/tool/psucalc/index.html?cm_sp=SubCat48_DesktopGraphics_left-_-PowerSupplyFinder022610-_-http%3a%2f%2fpromotions.newegg.com%2fproductfinders%2fpowersupply.jpg

7970 says 582w .. since you have good hardware Corsair has the AX series of PSUs .. I just ordered a TX650 on sale but my hardware isn't as high end as yours.

bigcyco1 · Apr 20, 2013

Seasonic X650
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151088
80Plus Gold, 54 amps 12V power, 5 yr warranty, FULLY modular

Serapaxson · Apr 20, 2013

bigcyco1 :

The minimum requirements of the 7970 is 582W, A 650W psu does not give me much room for expansion i dont think it would have enough wattage for the cpu as well.

bigcyco1 · Apr 20, 2013

Serapaxson :

Radeon HD 7970 - On your average system the card requires you to have a 550 Watt power supply unit.If you want a bigger power supply get this http://www.newegg.com/Product/Product.aspx?Item=N82E16817207028

Serapaxson · Apr 20, 2013

Is XFX a Good brand ?

Deleted member 217926 · Apr 20, 2013

The minimum requirements assume you have a no name, piece of junk power supply. The Seasonic X recommended above is one of the best power supplies on the market. With a quality power supply like the Seasonic X you would actually be fine with 500 watts.

This list also assumes a more generic quality power supply and since RealhardtechX maintains the best power supply database on the internet can be trusted.

http://www.realhardtechx.com/index_archivos/Page362.htm

Those requirements include overclocking headroom and do not do anything crazy like put the power supply at 90% load.

Every online power supply calculator I have ever seen overestimates to an insane degree. They also factor in things like 10% a year loss from capacitor aging when that is a nonissue with modern high quality solid capacitor power supplies.

bigcyco1 · Apr 20, 2013

Serapaxson :

It's a Excellent brand.All XFX PSU are built by seasonic.

Immaculate · Apr 20, 2013

http://www.newegg.com/Product/Product.aspx?Item=N82E16817182084

80+ Platinum , $50 off , should be free shipping, says for me.

heres the same Rosewill in 650w $40 off .. http://www.newegg.com/Product/Product.aspx?Item=N82E16817182083

80+ 660w Seasonic $24 off http://www.newegg.com/Product/Product.aspx?Item=N82E16817151121

Deleted member 217926 · Apr 20, 2013

bigcyco1 :

Actually has a 7 year warranty. :vip:

Deleted member 217926 · Apr 20, 2013

Immaculate :

The Super Flower made Rosewill units are very good. Voltage regulation, ripple and noise are better on the Seasonic though. The only units as good as the Seasonic X/Platinum models are the Flextronics made Corsair AXi series with digital regulation.

Still that is a very good price on a very good unit.

bigcyco1 · Apr 20, 2013

:lol: so your right.Thanks for the heads up.

Immaculate · Apr 20, 2013

same Rosewill 650w version $40 off .. http://www.newegg.com/Product/Product.aspx?Item=N82E16817182083

80+ Platinum Seasonic $24 off Fully Modular http://www.newegg.com/Product/Product.aspx?Item=N82E16817151121

Deleted member 217926 · Apr 20, 2013

Immaculate :

I am adding that Seasonic in a few weeks when I upgrade to a GTX 670 or maybe a Titan LE if it's good enough price/performance. My 750TX is over 6 years old now. Crazy they have been out that long. Figure I should replace it before it dies.

The Seasonic Platinum series are the best power supplies jonnyguru and Hardwaresecrets have ever tested.

Serapaxson · Apr 20, 2013

I cannot buy of the website you linked because i live in Australia, the website I am buying these parts of is http://www.pccasegear.com/index.php?main_page=index&cPath=15_972

and those power supply's are a little over my budget...

bigcyco1 · Apr 20, 2013

What is your budget ?

Serapaxson · Apr 20, 2013

For the PSU im looking about $150

bigcyco1 · Apr 20, 2013

http://www.pccasegear.com/index.php?main_page=product_info&cPath=15_995&products_id=15350

Serapaxson · Apr 20, 2013

Thank you everyone for all your help, I now will have my new pc in August >

bigcyco1 · Apr 20, 2013

No problem.Your welcome!

Serapaxson · Jun 22, 2013

Sorry to open my old thread. but i have changed a few parts and I Don't know if i should change the psu or not. here are my new specs:

Cpu: Intel Core i7 4770K
Motherboard: Gigabyte G1-Sniper 5
Case: Coolermaster HAF X
Gpu: Dual cross-fired AMD PowerColour Radeon HD7770 Ghz edition or any recommendations ?
Ram: Corsair CMV16GX3M2A1333C9 16GB KIT (2x8GB)
Operating System: Windows 7 Home Premium 64Bit
SSD: Sandisk Ultra Plus 128 gb ssd

As for the GPU i am undecided if i should still get dual amd radeon HD 7770s or the 7970 as stated in the main post, any thing you can recommend ?

I am buying from this shop so please link to parts from here http://www.pccasegear.com/index.php?main_page=index&cPath=15_972

Cheers
Serapaxson

Immaculate · Jun 23, 2013

Im pretty sure this would be be better for less money.
http://www.newegg.com/Product/Product.aspx?Item=N82E16814161404

Or you could even do this for like $20 more than 7770 and do just as good probably.

Serapaxson · Jun 23, 2013

problem, cannot from there, Due to living in Australia. and I already have a 7770 was just wondering if its worth get a second one for $120, or going for something better ? i also need a psu too. I forgot to mention i am running dual monitors and get the third one when i upgrade if that helps

Cheers
Serapaxson

Immaculate · Jun 23, 2013

@Serapaxson Sorry about suggesting newegg, before i was even finished posting that response I took a look at the site you use. Seen it was Australia. Thought, " oh they can't use newegg" so i closed the browser tab and i guess it posted.
My suggestion for just a little more money was the 7850.
PSU suggestion is always Seasonic.

Serapaxson · Jun 26, 2013

@Immaculate
I already have a 7770 was just wondering if its worth get a second one for $120, or going for something better ? i also need a psu too. I forgot to mention i am running dual monitors and get the third one when i upgrade if that helps.

or do you still suggest going for the 7850 ?

Cheers
Serapaxson

What psu should I get ?

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