GTX 770 Is 500W enough

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Joe9191

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Ive recently purchased a gtx 770 but I am worried about installing it. Will my 500W power supply be enough?

Specs:
FX- 6300
CoreXtreme OCZ 500W PSU
Patriot 8GB ram
1TB WD HDD
 
Solution
Dom_79
The 770 requires 42 Amps on the 12v rail. I would seem (I'm having trouble finding proper specs for your PSU) that your PSU has 20/25 Amps on the 12v.
If you want to run that GPU (which I think is so good I'm buying one today ;) ) then you should pickup a new better quality PSU (no offense intended I don't trust OCZ).
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Dom_79

Dom_79

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The 770 requires 42 Amps on the 12v rail. I would seem (I'm having trouble finding proper specs for your PSU) that your PSU has 20/25 Amps on the 12v.
If you want to run that GPU (which I think is so good I'm buying one today ;) ) then you should pickup a new better quality PSU (no offense intended I don't trust OCZ).
 
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Joe9191

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Ah ok thanks. The psu is called CoreXStream, my mistake. Which PSU would you recommend? I don't really want to spend above £70
 
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Dom_79

Dom_79

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It's difficult for me to look it up price wise as I'm in Canada and when I try to check UK prices the sites keep trying to re-direct me to US-Can sites, lol. Do you have a preferred site or store you would like to buy from?
I'll try checking with Amazon.co.uk again :)
 
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Dom_79

Dom_79

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It seems like I can't find one for 70£ or less.
I did see this one for 87£ +tax/shipping: http://www.amazon.co.uk/Seasonic-SS-550RM-550W-Power-Supply/dp/B00918MEZG/ref=sr_1_1?ie=UTF8&qid=1401730222&sr=8-1&keywords=SeaSonic+G+Series+SSR-550RM+550W+ATX12V

You can have a look yourself as well. I only recommend SeaSonic and Corsair (better than the CX series which is their lowest end). You'll want something in the 500-700w range BUT the thing that really matters is you must have at least 42 Amps on the 12v rail (that will be listed in the specifications of the PSU you are looking at)

The SeaSonic 550W I listed has 45 Amps on the 12v rail and they are the best PSU suppliers (IMHO and many many others ;) )
 
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Suztera

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Dom_79

Dom_79

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D'oh! I don't know why I didn't even think of pcpartpicker!

I agree with all the options listed by Suztera. All quality PSU's, and all will give you the power you need (and some even more ;) )

Good list Suztera!
 
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Joe9191

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How about these two?:

http://www.amazon.co.uk/gp/product/B00GN8VZ7U/ref=noref?ie=UTF8&psc=1&s=computers

http://www.amazon.co.uk/gp/product/B00GMIPO46/ref=noref?ie=UTF8&psc=1&s=computers
 
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Suztera

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I would pick a XFX 650 or 750W pro series over Corsair CX or CS series. Corsair CX or CS series uses cheap caps inside that can easily fail under heat and stress. Tee CS 650W is not a bad unit , it just not my preferred choice when there are other better options.

I normally stick to these brands: Brands: Antec, Coolermaster V series, Corsair (AX, HX or TX series only), EVGA Supernova G2 series, Seasonic or XFX .
 
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Dom_79

Dom_79

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I agree (again) with Suztera. The CX and CS series from Corsair are not known for being very reliable when pushed. Although I must say when you don't put heavy loads on them they can perform and last well. I have a CX500 that is 2 1/2 years old now and it's still working without issue BUT it has never been put under heavy load (high ambient heat - yes but not much load)
 
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Joe9191

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Thanks for the help so far really appreciate it. What is the benefit of a pricey good build PSU over a cheaper entry level? Surely if the both supply the same amount of power at a reasonable efficiency then its a good enough PSU.
 
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Dom_79

Dom_79

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Lower end PSU's often don't supply the total Watts/Amps that they are "rated" for. Also, as was mentioned about the Corsair CS and CX series they are made with inferior parts that will not perform (as in will fail) under higher than normal temps/load.

One thing about a "good enough PSU" is that when it decides to die or it encounters a power surge it may not protect the rest of your system i.e. ALL connected components may be damaged. Far better to spend the money on a quality PSU then risk catastrophic failure and replace an entire system (including any data on the connected drives)
 
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Suztera

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Its not what the number that the stickers says that is important. It is the components inside used that is important. Your power supply is on of the most important part. Because it is the only thing that is giving power to your pc parts yet it can kill all your parts. AS mentioned above, Corsair CX and CS aren't really good for systems with gpus because under load and heat they can fail. The components in the power supply isn't great since they cheap out on the cost. Most people prefer all japanese caps inside their power supply since they are the highest quality caps available and we trust japanese caps.
 
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