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Does a 500W power supply match my build?

Tags:
  • Power Supplies
  • Intel i7
  • PC gaming
  • Build
  • Components
  • Nvidia
  • SSD
Last response: in Components
June 20, 2013 11:46:38 AM

Hello,
I'm new to PC building, and I need some help with selecting a PSU. I've read some guides and used a few online wattage calculators, but I've ended up a little confused.

The calculators I've used vary, suggesting power values between about 350 and 450W. I've also read on Lifehacker that it's a good idea to go 100W more than the recommended value. For instance, eXtreme's calculator said 327 W, while Newegg's said 457 W.

I've also read a power supply guide on Tom's Hardware, but haven't done the single 12V rail amp calculation because of the wattage confusion.

Here is my build:

Processor: Intel i7-4770K
Motherboard: ASRock Z87 Extreme4 LGA 1150 Intel Z87 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

Solid State: Samsung 128G SSD
Hard Drive: Western Digital Black 1TB HDD
Video Card: NVIDIA GRX 650 Ti Boost 2GB
Optical Drive: ASUS 24X DVD Burner
Case: Corsair (with 3 120mm and 1 200m fans)
(Plan to run 8GB RAM)

I think that I want to use a 500W PSU, but I'm not certain.

Thanks in advance.

More about : 500w power supply match build

a c 132 ) Power supply
a b Î Nvidia
June 20, 2013 11:57:44 AM

Without overclocking you are well in the safe zone.

Please post exactly what power supply you are going to use because they are not all created equally.
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Related resources
a c 5951 ) Power supply
a c 653 Î Nvidia
June 20, 2013 2:06:48 PM

Hawell Certified CX500 isn't on the list.

AXi 760, 860, 1200
AX 650, 750, 760, 850, 860, 1200
HX 650, 750, 850, 1000, 1050
TX-M 650, 750, 850
TX 650, 750, 850
GS (V2) 600, 700, 800
CX 750, 750M
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a c 132 ) Power supply
a b Î Nvidia
June 20, 2013 2:47:29 PM

The Seasonic has excellent specs.

I almost sure MB makers are going to have the cpu states that drive power use down OFF by default so any power supply should work.

I have had full system idles as low as 20-30 watts without issues even on a rather cheap power supply. That said, I am sure the power is more noisy because the speakers(connected to onboard audio so the power filtering is not that great) do make a bit of oscillating sounds at this dead idle(but you would need the speakers/headphones/stereo maxed to hear it. Even a light load[play music muted for example] makes it go away instantly.)

The OP will have some very low idle power on way or another because the 650 ti and boost are quite good at idle.
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June 22, 2013 2:23:41 PM

Thanks for the replies everyone. I decided to go with the Sea Sonic. I also looked online and it appears that the 80 PLUS Gold series is Haswell compatible. Though I don't quite understand it, I'm glad this Haswell power saving feature won't likely cause an issue with my system. (This is an extra question....but...) Would you recommend just keeping the power saving feature off, or is there a good way I could configure it safely with the Seasonic?
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a c 1669 ) Power supply
a c 115 Î Nvidia
June 22, 2013 2:51:15 PM

wallmastersbefreaky said:
Thanks for the replies everyone. I decided to go with the Sea Sonic. I also looked online and it appears that the 80 PLUS Gold series is Haswell compatible. Though I don't quite understand it, I'm glad this Haswell power saving feature won't likely cause an issue with my system. (This is an extra question....but...) Would you recommend just keeping the power saving feature off, or is there a good way I could configure it safely with the Seasonic?


Seasonic has verified that all of the G Series models are Haswell compatible so you don't have anything to worry about.
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a c 132 ) Power supply
a b Î Nvidia
June 23, 2013 3:44:48 PM

wallmastersbefreaky said:
Thanks for the replies everyone. I decided to go with the Sea Sonic. I also looked online and it appears that the 80 PLUS Gold series is Haswell compatible. Though I don't quite understand it, I'm glad this Haswell power saving feature won't likely cause an issue with my system. (This is an extra question....but...) Would you recommend just keeping the power saving feature off, or is there a good way I could configure it safely with the Seasonic?

Haswell has some VERY low idle power that may cause issues with some systems. Even if you find you are having issues with its lower power idle power consumption, you can always change it in the bios(clr_rtc if needed first.).
That said, You would need to have a rather light system to have this issue as well since things like video card(the 650 ti has a NICE idle power too)/hard drives/fans also use the 12 volt rail. 80+ gold is not a bad idea due to its lower heat / quieter opperation.

As an example, my media center has had an idle as low as about 20-25 watts without issues(that is not bad for a system of its age. With its current configuration it idles in the mid/high 30's(If i trust APC) now[i5 750 undervolted | gtx 650 ti | 1 x 2.5 WDC Blue | 1 x 3.5 WDC Red | 1 x M4 SSD].).
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