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Tags: P1-1250-BEFX   XFX   ProSeries   1250W   PSU   Power   Supply   80Plus   Gold  

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Re: XFX ProSeries 1250W PSU
#21
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Quote:

Christian Ney schrieb:
Is this fan better than the Seasonic one?


No the SS one is better.

Posted on: 2013/7/26 15:52
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Re: XFX ProSeries 1250W PSU
#22
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Quote:

JAVASCRIPT wrote:
Quote:

Christian Ney schrieb:
Is this fan better than the Seasonic one?


No the SS one is better.


So ... it would be interesting to know why they switch the fan ...

Posted on: 2013/7/26 17:41
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Re: XFX ProSeries 1250W PSU
#23
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Seasonic makes use of 120mm dual ball bearing San Ace 120 model 9S1212H403 from Sanyo Denki rated 0.39A
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XFX used a 135mm fluid dynamic bearing fan model MGA13512YF-025 from Protechnic Electric rated 0.50A
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Posted on: 2013/7/26 19:30
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Aw: XFX ProSeries 1250W PSU
#24
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Well the fan differ in many ways. So the word better is a bit unprecise since they both have theyre advantages/disadvantages.

First the Protechnic Electric is bigger, has more power, more possible airflow and more noise (similar static pressure). I think they switched the Fan because theyre case design allows a 135m Fan. The Protechnic Electric is probably also cheaper (but I dont think it's the main reason).

The reason why I prefer the San Ace 120 is because the Ball Bearing. This might sound wiered now. But there are 2 things to be told:
1. There are ball bearings and ball bearings - The San Ace is an industrial grade FAN. So ball bearing is of high quality (not more noise than fd bearing.)
2. This fan does very often start/stop or run at low speed. Fluid dynamic bearings do not like that very much.
This is probably no issue since the Fan is likely not placed in axial orientation. However those are both good fans, and probably dont make issues - I prefer the San Ace.

Posted on: 2013/7/27 10:21
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Aw: XFX ProSeries 1250W PSU
#25
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So you might ask now which of both PSU should I buy... So:

If you gonna use it mostly bleow 1kW go for the Seasonic. If you really gonna pull 1.25kW or more 24/7 go for the XFX (cooling of 12V Mosfets might be slightly better). However difference between them is very small.

Posted on: 2013/7/28 13:11
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