What power supply for under $150 au?

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eamon butler

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Jan 13, 2014
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Hey i need a power supply for my computer but dont know what power supply is best for my pc. I believe that my pc should be at least 700w but im not sure.i also need the psu to cost under $150au as i am already 50 dollars over budget, the cheaper the better! I may also overclock my cpu in the future.these are my components;
RAM: Corsair Vengeance 4x4gb 1866mhz

Storage: WD 1tb hdd

Motherboard: Asus Sabertooth 990FX R2.0

GPU: gtx 580 with 1.5gb

CPU: AMD FX 8320

Case: Cougar Volant

i may add 2 cheap fans im not sure yet.

Thanks,
 
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Seeking Solace

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numanator

numanator

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Don't go with either of those, they are not as good quality as the others posted above. You will not need more than 550-650w for a single card. If you plan to SLI (dual card) in the future then you will need 750-850w but I would not recommend either of the PSU that you posted for SLI since they have some lower quality components.

Seasonic is my go to brand for PSU and are one of the best in the industry. Thermaltake and Corsair make some good PSUs but the ones linked are their budget lines (I know the corsair used chinese capacitors that are more prone to failure under heavy loads- like SLI)

Some more options:
Non Modular XFX 550w
Power Supply: XFX TS 550W 80+ Gold Certified ATX Power Supply ($99.00 @ PLE Computers)
Total: $99.00

Power Supply: Antec High Current Gamer 620W 80+ Bronze Certified Semi-Modular ATX Power Supply ($125.00 @ PCCaseGear)
Total: $125.00

If you plan to SLI then this is probably the cheapest I would recommend:

Power Supply: Corsair GS Series 800W 80+ Bronze Certified ATX Power Supply ($144.00 @ CPL Online)
Total: $144.00
-Not 80+ rated i believe because the 80+ rating is an american thing, international only models sometimes do not go for the rating

Personally I would get this as a minimum for SLI:
Power Supply: SeaSonic G-750 750W 80+ Gold Certified Semi-Modular ATX Power Supply ($179.00 @ CPL Online)
Total: $179.00

Australian hardware prices always amaze me.
 
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eamon butler

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thanks for replying, but are you sure the gpu i have doesnt use that much power? the 580 is meant to use alot of power and i might be overclocking the cpu as well. and could you tell me why the psu's i had are bad? i read reviews on them and the thermaltake was recommended by techpowerup with a rating of 8.8.
 
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numanator

numanator

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Sorry, just took another look at some recorded power usage for the gtx 580 and I would say 600w is the minimum, I was basing my initial 550-650 on the gtx 780 power usage and didn't expect the 580 to use 50 more watts.

The Corsair and Thermaltake are not bad but they are not good either. A quick, good guide for PSUs is this one:
http://www.eggxpert.com/forums/thread/323050.aspx

You typically want to purchase a Tier 1, 2, or 2b and in this case the Thermaltake and corsair that you linked are tier 3.
The list is updated pretty often and are based off of reviews of the hardware. Also Toms hardware has a psu maker list floating around that shows what companies manufacture the PSU that you are buying.

In this case, both the thermaltake smart series and Corsair CX series are manufactured by Channel Well Technology (CWT) who's PSU range from mediocre to great.

One of the major reasons is because I have seen a number of forum threads pop up with issues that ran back to the CX series. They won't explode on you but for $10 more (especially over 500w) you can find a better quality PSU. It is possible that we see so many issues with the CX because they are very popular due to the brand recognition and price/watt. Honestly you would be hard pressed to find a psu that can compete price wise with the CX series at 400-500w range but above that there are other options (IMO better options) for the same or a bit more.

Another side note: Based on my reading, Corsair originally gained its popularity and fame using a Seasonic OEM for their PSUs but have switched many of their models over to CWT now, with some of their HX, AX, and VX series still using Seasonic OEM.
 
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eamon butler

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Jan 13, 2014
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thankyou you have helped me a lot. i just have one more question: do you know better psu's than thermaltake smart power 750w for the same price ($109)?
 
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numanator

numanator

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Probably the best you will find is going to be the 650w seasonic or the 620w Antec that Seeking Solace posted. Unfortunately you won't find a quality 750w PSU in Australia for 110 (at least from the websites I am looking at they are all $140+). 620 or 650w will be more than enough
 
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