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Power Supply for new System

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  • Homebuilt
  • Power Supplies
  • New Build
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Last response: in Systems
May 24, 2012 2:40:41 PM

I am working on a new build, and I think I want between 500W and 600W. I am looking at following three power supplies. Does anyone have any advice or other suggestions?!?!?!?!

Seasonic M12II 620 Bronze: http://www.newegg.com/Product/Produc...82E16817151095

Corsair Enthusiast Series CMPSU-650TX: http://www.newegg.com/Product/Produc...82E16817139005

XFX 650W: http://us.ncix.com/products/index.php?sku=59616 (apparently it is a rebadged SeaSonic)

Just a little background, my new build will be a i5-3570K (possibly overclocked). I only plan on using the CPU graphics for the time being, but may upgrade to a GPU eventually. SO I want to make sure I have enough power to future proof the build. I don't ever expect to use crossfire/sli.

More about : power supply system

a b B Homebuilt system
a b ) Power supply
May 24, 2012 2:43:28 PM

You missed most of the important information we need.

What GPU will be using (in the future)? What are the other build components? So far all you've given us is CPU :) 

As for the PSU's you listed, all are very good quality so whichever you can grab the best deal on, should be the one of choice. For PSU's over 500w, having Modular cables or at least SEMI-Modular, in my opinion, is really worthwhile unless it comes at considerably more cost.

EDIT: Your NewEgg links come up "Bad Request" when I click on them.
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a b B Homebuilt system
a b ) Power supply
May 24, 2012 3:34:20 PM

Can't see the prices cause the links don't work, so can't make any other suggestions.

The corsair is also Seasonic built. If you go with the corsair, make sure you get the 650TX V2, not the CMPSU-TX650.

The corsair 650TX V2 and the XFX Core 650w are identicle psu's, so get whichever is cheaper.
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May 24, 2012 5:14:20 PM

Apologize for the links not working, not sure what happened. What makes the 650TX V2 better than the CMPSU-TX650? It looks like I can get the 650TX V2 for $90 and the XFX Core 650w is only $65 (http://us.ncix.com/products/index.php?sku=59616).

My whole build looks like it is shaping up to be the following:

CPU: i5-3570k ($190 @ microcenter)

Motherboard: ASRock Extreme 4 ($90 with i5-3570k combo deal at microcenter)

RAM: Undecided. Any input would be appreciated. I am thinking 2 x 4GB of 1600 speed. Possibly G.SKILL Ripjaws X Series 8GB Model F3-12800CL9D-8GBXL - $47

GPU: I plan on using the CPU onboard for the time being

HDD: SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM - $110

SDD: Crucial M4 CT128M4SSD2 2.5" 128GB SATA III MLC Internal Solid State Drive (SSD) - $150

Case: Antec Three Hundred or Antec Three Hundred Two, still undecided

DVD Burner: ASUS 24X DVD Burner Model DRW-24B1ST/BLK/B/AS - $18

Thanks for all your help!
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a b B Homebuilt system
a b ) Power supply
May 24, 2012 6:25:36 PM

aum110 said:
Apologize for the links not working, not sure what happened. What makes the 650TX V2 better than the CMPSU-TX650? It looks like I can get the 650TX V2 for $90 and the XFX Core 650w is only $65 (http://us.ncix.com/products/index.php?sku=59616).

My whole build looks like it is shaping up to be the following:

CPU: i5-3570k ($190 @ microcenter)

Motherboard: ASRock Extreme 4 ($90 with i5-3570k combo deal at microcenter)

RAM: Undecided. Any input would be appreciated. I am thinking 2 x 4GB of 1600 speed. Possibly G.SKILL Ripjaws X Series 8GB Model F3-12800CL9D-8GBXL - $47

GPU: I plan on using the CPU onboard for the time being

HDD: SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM - $110

SDD: Crucial M4 CT128M4SSD2 2.5" 128GB SATA III MLC Internal Solid State Drive (SSD) - $150

Case: Antec Three Hundred or Antec Three Hundred Two, still undecided

DVD Burner: ASUS 24X DVD Burner Model DRW-24B1ST/BLK/B/AS - $18

Thanks for all your help!


The TX650 has a basic 80+ (80% eff) cert. and 52a, while the 650TX has a 80+ bronze (85% eff) cert. and 53a.

You definitely want the Antec 302, not the 300.
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a b B Homebuilt system
a b ) Power supply
May 25, 2012 7:09:35 AM

The XFX at $65 is an absolute bargin! Would certainly be my PSU of choice (and is for my own build, although I use the 750w Silver version.
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