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Thread: Surprise, surprise.... (not really surprised)... NOT an FDB fan

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    Quote Originally Posted by Philipus II View Post
    I see, basically you need to crack the bearing open to find out if the fan in the PSU is the one the manufacturer claims it to be. Sad.
    Too bad the patent-holder cannot sue on mere advertisement that one's fan is using an FDB. If that were true, we wouldn't see fake fans.

    Jonny, does Corsair break open fans on the prototypes that the ODM sends you to make sure it is an FDB? Joe, does Antec? Since Seasonic shifted from BB to FDB, do they?
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    Quote Originally Posted by quest for silence View Post
    What about a good article on JG.com?
    I tried at once to have a cumulative write-up on everything but between the different OEMs having varying levels of response to my information as well as the lack of quality camera equipment to properly take photos of the bearings I gave up.

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    Quote Originally Posted by ehume View Post
    Jonny, does Corsair break open fans on the prototypes that the ODM sends you to make sure it is an FDB? Joe, does Antec? Since Seasonic shifted from BB to FDB, do they?
    Corsair and Antec did based on these two post.
    http://www.jonnyguru.com/forums/show...80&postcount=3
    http://www.jonnyguru.com/forums/show...6&postcount=15

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    ehume (03-25-2017), Internet (03-25-2017)

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    Quote Originally Posted by quest for silence View Post
    What about a good article on JG.com?
    Quote Originally Posted by Tator Tot View Post
    I tried at once to have a cumulative write-up on everything but between the different OEMs having varying levels of response to my information as well as the lack of quality camera equipment to properly take photos of the bearings I gave up.
    I've asked Jeremy and Aris if they were willing to take apart PSU fans to see if they could add another dimension to their reviews... or the "Cybenetics" program, but neither have the time or inclination to do it. Furthermore, opening a fan typically means destroying it and that means it can't be used/sold after the review (unless a replacement fan is handy for every unit).

    Shame really. Guess end users will just have to be continued to get scammed.

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    Quote Originally Posted by ehume View Post
    Too bad the patent-holder cannot sue on mere advertisement that one's fan is using an FDB. If that were true, we wouldn't see fake fans.

    Jonny, does Corsair break open fans on the prototypes that the ODM sends you to make sure it is an FDB? Joe, does Antec? Since Seasonic shifted from BB to FDB, do they?
    Absolutely. It's a part of the qual process. Right down to what fan motor IC is used.

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    Quote Originally Posted by tinpoint View Post
    hmm i do not thing its EVGA, its more the Fan Manufacturer.
    But EVGA promises a FDB fan on its specs. So, they're at fault. Of course, they aren't alone on this issue.

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    quest for silence is offline Silencer & heathen relic of a human (™ by OW)
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    Quote Originally Posted by Internet View Post
    But EVGA promises a FDB fan on its specs. So, they're at fault. Of course, they aren't alone on this issue.
    Are you going to sue them in court?
    Best, Luca

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    FDB = Sleeve

    So what do you wanna sue? I can call any fan a QFS bearing fan, that is just marketing.

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    Quote Originally Posted by GI_Joe View Post
    FDB = Sleeve

    So what do you wanna sue? I can call any fan a QFS bearing fan, that is just marketing.
    At the root of things, yes... you can call anything that isn't ball bearing a sleeve bearing. But there's more to "FDB", "rifle" and "long life sleeve" than just "they're all sleeve".

    You can call it marketing, and to a degree you're correct. But if someone is marketing a product as a "fluid dynamic bearing" and there aren't even grooves in the bearing to circulate the "fluid", it's hardly dynamic. And certainly that bearing isn't going to last nearly as long.

    Customers have an expectation. If they're told that a bearing is FDB, they have perfectly good reason to expect a fan with an MTBF of 100~150K hours versus a mere 20~30K.

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    Quote Originally Posted by GI_Joe View Post
    So what do you wanna sue?
    Is he trolling?
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