Gold+ PSU to fit into Bitfenix Phenom

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KalTorak

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May 25, 2012
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Hi Guys.

I have built a file server, however the PSU that I purchased to go with this (NZXT Hale 90 550W Gold) does not fit, something I totally missed. I am building in a Phenom for the first time and forgot I would have such limited space.

I have tried searching for a gold or platinum rated PSU but most are coming in at a high price. I have 18cm total for the PSU, but that also includes cable space, so a 15cm PSU is the limit to enable me to actually set it up.

I have looked at getting the seasonic 550W, but are not certain this will fit. It lists 16x15 and I think all PSUs are 15 wide as standard ATX sizing, is this correct? It's priced at £80 and that seems to be the cheapest good brand gold I can find.
http://www.amazon.co.uk/Seasonic-SS-550RM-550W-Power-Supply/dp/B00918MEZG/ref=sr_1_1?ie=UTF8&qid=1397223978&sr=8-1&keywords=seasonic+gold+550

Any advice on this would be great, obviously as this will be on for long periods of time I would like a highly efficient PSU. Also, this is a G3220 system with at most 6HDDs and no graphics card, so a 550w is overkill, it just happens to be cheaper than the 450W atm.
 
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InvalidError

Titan
Moderator
May 18, 2007
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Yes, 15cm is the standard ATX PSU width.

HDDs use less than 15W each and the CPU won't be doing much work so you will most likely be looking at less than 150W total peak load. If you want peak efficiency, you should probably try to find a 250-350W Gold/Platinum PSU. With a 550W PSU, your file server would be operating below 20% PSU load most of the time and efficiency usually drops off quickly below that.
 
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K

KalTorak

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May 25, 2012
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Both of the ones you linked are out of stock unfortunately.

Good point Invalid, I was looking at the BeQuiet Straight Power E9 400W. Seems to be a good power and price point for a Gold rated. It seems the lower powered highly rated PSUs are more expensive that this, which is odd to me.

Had a look on the BitPheonix forums and a few people are saying they have this installed. 16x15 size as well.
 
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InvalidError

Titan
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May 18, 2007
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Economies of scale / supply and demand: most people who buy retail PSUs are looking in the 500-800W range so PSU manufacturers order a lot more parts for designs in that range and those models may end up cheaper.

An unfortunate side-effect of GPU manufacturers grossly over-inflating PSU "requirements" due to bad PSU manufacturers grossly overstating their producs' ratings. If all PSUs were designed to genuinely match their ratings, most people would be perfectly fine with 200-400W PSUs.
 
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K

KalTorak

Honorable
May 25, 2012
435
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10,960
This I understand, its a real shame the NZXT hale 90 I got was too large, that was 87% plus from 1w onwards. However, I dont want to take a dremmel to a brand new case.

I think I'll purchase the E9 400w tomorrow.
 
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