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Current Power Supply Not Enough, Need Help With Choice For New

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  • Power Supplies
  • Graphics Cards
  • Components
Last response: in Components
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April 18, 2013 5:15:36 AM

Hi

I recently bought a Gigabyte Geforce GTX660 OC (Windforce Ed) graphics card. My system is pretty basic, and as such I thought that I should be able to only barely put this card in my system without issues. I seem to be experiencing quite a few stuttering issues in games. I think it might be due to the power supply unit, so I am just running this one until I have money to buy the next. I live in South Africa, so I have limited options to where I can shop (Newegg would have been wonderful).

Here is my current rig:
- Intel Core I5 750
- Asus P7P55D LE Motherboard
- Gigabyte Geforce GTX660 OC (Windforce Ed)
- 2x2GB DDR3-1600 Geil Black Dragon Dual Channel Memory
- Coolermaster RS-460-PCAR-A3 460W Power Supply
- 128GB OCZ Vertex 4 SSD
- DVD combo writer
- 2 120mm LED Fans
- 1 80mm LED

So first of all I am wondering whether my current issues could be because of the current psu. It has 2 12V rails rated at 18A each.

My choices for new psu's are as follows:

https://www.nivo.co.za/#buy~corsair.cx600.600.watts.atx...

http://www.nivo.co.za/buy~seasonic.m12ii.bronze.series....

http://www.nivo.co.za/buy~antec.high.current.gamer.620....

I've always wanted Seasonic, and I know they are excellent psu's, but in this instance it seems like the Antec might be better because it comes with a 5 year warranty (as opposed to 3 years), and is fully modular (as opposed to semi modular). Not sure about the modular part in there??

The Corsair CX600 is much cheaper, but do you think it can power the system properly?

I am not sure whether the Antec, or the Seasonic can handle a SLI upgrade in the future. If not, is it really neccesary to get one of them, and not just the CX600?

Thank you for any input!

More about : current power supply choice

April 18, 2013 8:08:14 AM

TheBigTroll said:
id get the HCG 520w instead. its enough for your rig
https://www.nivo.co.za/#buy~antec.high.current.gamer.52...

wouldnt get the cx series. they are rather low quality


Thank you for the reply! Would rather not get the CX600, but will maybe fork out the extra R100.00 for the Antec 620 watt, instead of the 520 watt, to leave some headroom for future upgrades. I'm thinking of adding another SSD for game installs, and maybe some overclocking of the cpu.
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a b ) Power supply
a b U Graphics card
April 18, 2013 8:37:09 AM

even then 520w is enough.the only situation where you need a 600+w psu is when you have a video card with a tdp of 250+W, which you wont have
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