pc shuts down during 3dmark vantage

I've never heard of that brand, so I would rather recommend that you avoid it, unless you've found amazing reviews of it somewhere...

It seems like the Antec HCG 520W has a single +12V rail rated at 480W (~R750), so it should suffice for your setup + allow overclocking too.
Alternatively, you can try to get the Corsair VX550, which would cost about R850.
 
Pada said:
I've never heard of that brand
Click to expand...
From what I can see they sell under multiple monikers. One of which is UniQue, the brand that Esquire sell (eg. Sparta = UniQue). 500W unit from Esquire costs R500. So I'm guessing the "750w" version costs close to the same price as the other "lower" power units we posted.
 
Why do you want to keep buying these crappy brands when you can, at that price afford a decent PSU?

No offense but you seem like one of those people that only like learning the hard way. Take it from someone that has been building computers since the 486DX, if you buy unknown brands, YOU WILL get screwed. At that price the Corsair unit will be MORE than adequate and it actually puts out it's rated power. Hell Pada even posted some cheaper units that would work. Pick one (except the Coolermaster, no offense Pada ;) ) and get that. Those PSUs WILL put out the rated power and won't explode or burn themselves out.

You just cannot trust manufacturer claims in the PC industry, I cannot stress that enough. Especially if it is much cheaper than what everyone else is offering in that category. How is it possible for some unknown manufacturer, to produce a PSU with more power than what everyone else is offering at such a low price?

PSUs are like cars, incredibly tricky to design, there just isn't a way that a small time company can design a great PSU, they simply don't have the sales numbers or R&D budget.
 
It was the only local(as in town local) 1 I could get. Anyway I explained to the tech at the dealer what I have and he stated it would be fine, so I told him if it doesn't work I will take it back.
 
snail: the thing is that the PSU would most likely work, but it might damage your components AND it might be very inefficient.

With the PSU's that I've suggested you would be guaranteed that it won't explode, that it won't damage your components either and that it would be very efficient!

You're seriously looking for trouble by trying to source the stuff locally and you WILL end up like sitnet (another member here), where you'll have to swap out the PSU or even have to buy ANOTHER new one!

This is pretty much like where you want to transport 2 people, and you're going to buy a Tata bakkie instead of a VW Golf. Both would work and both would cost the same. The Tata bakkie can do more than the VW Golf and it would work for a while, but you can very soon end up with everyone being dead if you're in a small accident since its not as safe as the VW Golf...
 
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Well unfortunately I have already bought it so I will give it a test run 2moro and give feedback, just hope it works.
 
Sorri pada, was just in a rush to get this dam thing working.
 
Alright, update: my pc runs smoothly now, thank goodness, and the max output on this power supply is 729w. Thanks for all those who assisted, now I can play with my crossfire setup peacefully.

Edit: owe, another quick 1, for some reason my temp on my gpu has dropped by quite a substantial amount since putting the new psu in, both in idle and load.
 
That could possibly be due to the PSU running cooler, so your PC's ambient temp should also be substantially lower.

I'm glad you've finally managed to get everything working. Now I just hope for your sake that the PSU would last you a few years without damaging any components...
 
Well I did have that other psu since 2007 and all my parts survived the torture lol, but geez, never knew that psu tech was so picky, I always just thought a psu was a psu, so I guess I have learnt something new out of all of this.
 
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