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 Post subject: which PSU to choose?
PostPosted: Sat Mar 16, 2013 7:33 pm 
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Joined: Tue Dec 25, 2012 3:09 pm
Posts: 11
I need a quiet PSU and I believe I have narrowed it down to these choices (both on sale):

Corsair TX650
Available for $80 (Canadian) here:http://www.canadacomputers.com/product_info.php?cPath=441&item_id=052924

or

SeaSonic X-400
$120 here: http://ncix.ca/products/?sku=79063

Note that this is the FLII version and the one reviewed by SPCR is just FL. I'm not sure how big a difference this will make.

My rig:
amd phenom x4 955 black edition @ stock speeds
8gm ddr3
550ti
3 hdds
Cooler Master Haf922 case
2x200mm case fans

The TX650 from what I hear is not that quiet. And the X-400 has buzzing or coil noise, but I doubt I will ever hear this because of the rest of my PC. The $120 price tag on the X-400 is a little high imo, but my current PSU is so damn loud, it may be worth it.
These are what I have narrowed it down to, but I am open to other suggestions.


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 Post subject: Re: which PSU to choose?
PostPosted: Sat Mar 16, 2013 9:29 pm 
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Joined: Thu Oct 06, 2005 4:36 am
Posts: 4516
Location: Monterey Bay, CA
Your system's stressed load power is in the 280W range...and probably < 250W while gaming. When Seasonic revised the fanless 400W for the FLII , they upgraded the efficiency rating to Platinum from Gold. The $120 CAN is a pretty decent price. The 520W version has been reviewed. Another PSU at NCIX is the Seasonic G series SSR-550RM for $100 (also at Amazon.ca). It's been shown to be pretty quiet at idle and at your load power.

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1080p Gaming build: i5-4670K, Mugen 4, MSI Z87-G45, MSI GTX 760 2GB Gaming, 8GB 1866 RAM, Samsung Evo 250GB, WD Red 2TB, Samsung DVD burner, Fractal Define R4, Antec True Quiet 140 (2 front + rear) case fans, Seasonic X-560. 35-40W idle, 45-55W video streaming, 170-200W WoW, 200-230W Rift, 318W stress test (Prime95 + Furmark)


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 Post subject: Re: which PSU to choose?
PostPosted: Sun Mar 17, 2013 1:07 pm 
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Joined: Mon Mar 17, 2008 1:49 pm
Posts: 1192
Location: UK
zaferk wrote:
And the X-400 has buzzing or coil noise

True for some users and not for others. I've never had any of this but some users have had bad noises and then replacements that are just the same. The Seasonic Platinum 520W fanless review covers some of these points and BIOS settings that can be tried to prevent this.

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Silverstone SG03B: E8200, Asus P5E-VM HDMI, 2Gb RAM, Leadtek 9600GT+S1 rev. 2, Samsung 500Gb, Seasonic X-400, 2x Akasa 120mm, Scythe Zipang 2 fanless


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