Need a power supply

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bevo

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May 8, 2014
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Hey guys, I'm building my own system.
I was set for a 550w power supply but then the GTX 980 came out.
PcPartpicker suggests that my system will use around 380w. Should i get a 450w or 550w supply.
I would want a semi/fully modular system. Does efficiency matter that much? i was looking at gold ones. I have kind of got it down to either the Corsair CS550M or Corsair CS450M.

If theres a better one that suits me better, please suggest.

Here is my system
http://pcpartpicker.com/p/NbqJBm
 
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martinch

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Mar 21, 2014
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Personally, unless you're looking to use SLi in the future, I would go with a 550W PSU, as that would give you some allowance for future expansion, and also for capacitors degrading with age. With regard to efficiency, I doubt you'd notice a difference on your power bill unless you were crypto-mining 24/7, however, there is an argument that the higher-rated ones use better components (there may or may not be anything to this!).

As pbm86 has suggested, the Seasonic G-Series 550W PSU is an excellent, and relatively inexpensive unit (basically, anything made by Seasonic and SuperFlower is likely to be excellent).
 
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B

bevo

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May 8, 2014
42
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4,530




Into my final stages of purchasing. Made quite a few changes. I have left the option of SLI 970s so i would need to leave at least 150watts for that. Would a 650w or 700w work perfectly? I don't want to fork out a lot for a power supply, around $100 I guess. Are there specific brands which i should avoid?

PCPartPicker part list: http://pcpartpicker.com/p/7yntNG
Price breakdown by merchant: http://pcpartpicker.com/p/7yntNG/by_merchant/

CPU: Intel Core i7-4790K 4.0GHz Quad-Core Processor ($336.99 @ Amazon)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($34.99 @ Amazon)
Motherboard: ASRock Z97 KILLER ATX LGA1150 Motherboard ($124.99 @ Amazon)
Memory: Corsair Vengeance Pro 8GB (2 x 4GB) DDR3-1866 Memory ($94.99 @ Amazon)
Storage: Samsung 850 Pro Series 256GB 2.5" Solid State Drive ($195.11 @ Amazon)
Storage: Seagate Barracuda 2TB 3.5" 7200RPM Internal Hard Drive ($83.24 @ Amazon)
Video Card: Gigabyte GeForce GTX 970 4GB WINDFORCE Video Card ($369.99 @ Amazon)
Case: Fractal Design Define R4 (Black Pearl) ATX Mid Tower Case ($129.47 @ Amazon)
Optical Drive: Asus DRW-24F1ST DVD/CD Writer ($14.99 @ Amazon)
Total: $1384.76
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-10-08 06:32 EDT-0400
 
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