Is there any sense in getting a bigger PSU than I actually need?

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Sorenhawk

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Jun 9, 2015
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Here's my build:

CPU: Intel Core i5-4460 3.2GHz Quad-Core Processor ($176.95 @ SuperBiiz)
Motherboard: Asus H97M-PLUS Micro ATX LGA1150 Motherboard ($148.50 @ Amazon)
Memory: Kingston HyperX Fury Black 16GB (2 x 8GB) DDR3-1600 Memory ($83.99 @ NCIX US)
Storage: Samsung 850 EVO-Series 250GB 2.5" Solid State Drive ($97.84 @ Amazon)
Video Card: XFX Radeon R9 380 4GB Double Dissipation Video Card ($233.98 @ Newegg)
Case: Corsair Air 240 MicroATX Mid Tower Case ($79.99 @ Micro Center)
Power Supply: EVGA SuperNOVA GS 550W 80+ Gold Certified Fully-Modular ATX Power Supply ($69.99 @ NCIX US)
Total: $891.24

My question is; would I be better off getting a 650W or even a 750W PSU, as the price only differs with about 15$, for future-proofing?

 
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S
Seeing as crossfire and CPU overclocking are not an option then not really. If getting a PSU with smart fan controls you might find a larger PSU that is operating at a lower % of its max load can run at a lower fan speed or with the fan completely off more of the time which could make it quieter but its really not anything significant.
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sizzling

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Oct 18, 2006
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Seeing as crossfire and CPU overclocking are not an option then not really. If getting a PSU with smart fan controls you might find a larger PSU that is operating at a lower % of its max load can run at a lower fan speed or with the fan completely off more of the time which could make it quieter but its really not anything significant.
 
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sadams04

sadams04

Splendid
Nov 23, 2010
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Not really.... Even with the 550w you are still capable of upgrading your GPU to a "larger" model and still be ok. It is also important to note that you are looking at a quality unit with a true rating. If you were considering a less than desired Corsiar CX model, then yeah... up the wattage. For your non-overclocking, single GPU system the 550w is great.

Of note... That PSU retails at $90 and currently has a $20 rebate. If you don't want to deal with the rebate, there is an XFX Gold 550w for $75 (which is also a top tier PSU made by Seasonic).
http://pcpartpicker.com/part/xfx-power-supply-p1550gts3x
 
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Sorenhawk

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Jun 9, 2015
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I'm probably gonna stick with the SuperNOVA.

But I was actually thinking more about future GPUs. Will they be needing more power or is that impossible to tell at the moment?
 
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giantbucket

giantbucket

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Nov 17, 2013
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a new bigger stronger PSU is only 30% of a single power hungry graphics card anyways, so i don't think it matter that much (at all) today, especially since for a SINGLE gpu you'd be ok as-is, and only for a dual or triple would you likely need a new psu.
 
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