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  1. #11
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    Quote Originally Posted by none77 View Post
    Also with DBB fan, not FDB.
    And still quiet, according to aris review DBB got better heat tolerance, from what i red they both should work up to 70c, and theoretically up to 90c.
    Doesn't matter as the PSU won't operate at that high of a temperature.

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    Quote Originally Posted by none77 View Post
    Also with DBB fan, not FDB.
    And still quiet, according to aris review DBB got better heat tolerance, from what i red they both should work up to 70c, and theoretically up to 90c.
    Ball bearings get noisy as they age

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    Quote Originally Posted by ronss View Post
    wow...had no idea asus had got into the psu market...
    well, again.
    A long time ago they tried it with Delta and then they just stopped with end user PSU...

    Quote Originally Posted by ronss View Post
    usually they have quality hardware.....
    Well, debatable, some people don't think that....

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    Quote Originally Posted by ashiekh View Post
    Ball bearings get noisy as they age
    And sometimes they are pretty audible right off the bat.

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    Quote Originally Posted by ashiekh View Post
    Ball bearings get noisy as they age
    I need to disagree on this one...
    Ball bearing normally is the one that has the least issue when they age.
    Sleeve will be effected by that the fastest although they would probably be more quiet then BB at the start.
    - Powershifter -

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    Quote Originally Posted by Demanufacture View Post
    Ball bearing normally is the one that has the least issue when they age.
    No. FDB will always be quieter.

    And please fix your avatar.

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    Quote Originally Posted by Demanufacture View Post
    I need to disagree on this one...
    Ball bearing normally is the one that has the least issue when they age.
    Well, most 2BB Fans I've experienced, like the fan you use on the AMD Boxed Coolers (came with 2400G) or any other 2BB Fan that came with a CPU has some kind of Bearing noise that is, depending on the system you use it in, rather annoying.

    For GPUs 2BB might still make sense but everything else it does not.
    Someone in a German Forum somewhere once made a nice posting about 2BB vs other things.

    In short:
    2BB is only useful if we talk about high ambient temperatures (like 50C IIRC he might even mention even higher temperatures than that) and/or higher RPM. So 2BB Fans still have their place in some places but not in normal Consumer Gear besides from GPUs.
    You might want to talk to AMD that they switch to a real Fluid Dynamic Bearing as they are superior for consumers in this regard.
    And also look at quieter/better FAN ICs as well...

    Because of the Bearing/Motor Noise of the AMD Boxed Fan (Cooler Master) I replaced it with the Noctua NH-L9i I had for a different Board...
    Quote Originally Posted by Demanufacture View Post
    Sleeve will be effected by that the fastest although they would probably be more quiet then BB at the start.
    Depends on what Sleeve Bearing you are talking about, what quality, design and what kind of Lubricant you use.

    In general the better Sleeve Bearings are vastly superior to 2BB, though its possible that they might be more expensive as well.

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    Quote Originally Posted by Stefan Payne View Post
    Well, most 2BB Fans I've experienced, like the fan you use on the AMD Boxed Coolers (came with 2400G) or any other 2BB Fan that came with a CPU has some kind of Bearing noise that is, depending on the system you use it in, rather annoying.
    Would not putting a side load on the bearings (using a spring) help reduce the chatter?

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    Quote Originally Posted by jonnyGURU View Post
    No. FDB will always be quieter.

    And please fix your avatar.
    Thanks for the notice.
    Yes, FDB will always be more quite then BB.

    Quote Originally Posted by Stefan Payne View Post
    Depends on what Sleeve Bearing you are talking about, what quality, design and what kind of Lubricant you use.
    I consider sleeve in its original form... non capsuled and self-lubrication
    But I assume you mean riffle, HDB and FDB also as being sleeve as well then?
    - Powershifter -

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    Quote Originally Posted by Demanufacture View Post
    I consider sleeve in its original form... non capsuled and self-lubrication
    But I assume you mean riffle, HDB and FDB also as being sleeve as well then?
    AS they often have the same modelnumber as normal Sleeve Bearings and they are all fluid based bearings, yes.

    They are improved versions of a sleeve bearing.

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