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750 BQ Fan rattling noise

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Spectre630
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2021/11/24 17:35:05 (permalink)
I have a 750 BQ PSU on my system that is less than a year old (exactly 11 months today).  A few months ago I started noticing an occasional rattling sound like a fan with an issue.  I couldn't tell if it was the PSU or the X570 chipset fan and was blaming the chipset.  Now, the rattling is almost always present and it's clearly coming from the PSU.  A few questions/requested advice:
1. The sound is almost certainly coming from the PSU.  I have to assume it's the fan... there shouldn't be any other moving parts.  Is the fan likely about to die?
2. If the fan does die, does this PSU have proper OTP that it would shutdown before going off like a Gigabyte PSU?  I don't see reference to OTP on the product page and noted once before in a review (maybe from Aris, but can't find it now) that it lacked OTP.
3. Should I put in an RMA ticket, especially considering it's coming up on a year old (although, looking at the product page, I guess it has a 5 yr warranty).
 
(I'm going to apologize if this is a repeat topic.  I tried searching and it came up with nothing, but while searching on DuckDuckGo for the review I came across a forum post from 2018 with someone having a fan issue on this PSU.  The solution was "you shouldn't have bought a cheap PSU"... which is oh so helpful. :)  That said, I would have preferred a better model, but it was the best option at Microcenter that day when I bought all my parts, so don't roast me too hard.)
 
Thanks
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    Sajin
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    Re: 750 BQ Fan rattling noise 2021/11/24 21:44:20 (permalink)
    If you're concerned I would rma it since it's still under warranty.

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    joseph305
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    Re: 750 BQ Fan rattling noise 2021/11/25 08:27:07 (permalink)
    I had a new 850 bq evga ps and after a month , started ticking...
    was driving me nuts, got a rma , had this new one for couple months now and still
    quiet.. 
     

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    bob16314
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    Re: 750 BQ Fan rattling noise 2021/11/25 20:47:27 (permalink)
    1. Maybe, maybe not..It's not good, but any fan could last a long time and just be noisy.
     
    2. From page 3 of the User Manual: The 650BQ/750BQ/850BQ comes equipped with the most comprehensive protection set possible, including Over Voltage Protection (OVP), Under Voltage Protection (UVP), Over Power Protection (OPP), Short Circuit Protection (SCP), Over Temperature Protection (OTP), and Over Current Protection (OCP). This product is also covered by a 5-year warranty and EVGA’s legendary customer service and support..Let's just say that it 'should' shut down if it ever gets too hot.
     
    3. For sure.

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    #4
    Vustadumas
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    Re: 750 BQ Fan rattling noise 2021/11/28 10:10:37 (permalink)
    My 1000 G3 PSU is doing the exact same thing, and is also about 11 months into its life.  Still waiting to hear back from EVGA about a replacement.  
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    Spectre630
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    Re: 750 BQ Fan rattling noise 2021/11/29 16:45:55 (permalink)
    Thanks for the feedback.  I'll probably put in a support ticket.
     
    Follow-up question, though.  As I noted in my original post, I only got the 750 BQ because it was the best choice from the empty shelves when building this PC last year.  Let's say I use this an an excuse to upgrade.  I would have preferred an 80Plus Gold.  Looking at the EVGA product page for 750 Gold, there are a lot of options (and the pricing isn't bad.. I think they may even be the same or cheaper than I paid for the BQ)...
    1. Looking at EVGA's 750 Gold options, there are a lot of choices.  I'm struggling to find meaningful differences between the different models.  There's the G+, G6, G5, GA, and G3, to name a few.  A few have fluid dynamic bearings instead of ball bearings, so that suggests G+, G5, & G6 are "better".  The G+ and G5 have sleeved cables instead of flat, so are they better than G6?  And then the G5 has eco mode whereas G+ does not.  So, G5 is the "best" of the bunch?  Are those really the only differences between these PSUs?  Fan bearing, cable sleeving, and eco mode?  Should I get the G5?  Is there some other meaningful difference I'm missing here? (It's an odd thought that "G5" might be better than "G6"... your normal thought process is "higher is better", but doesn't appear that way in this case...)
    2. Is it worth doing the upgrade?  The Gold rating should save some electricity over time and eventually pay back.  However, how useful will the PSU be in 4-5 years?  I'm asking this question in reference to ATX12VO.  Has anyone heard whether it's actually coming?  I'd hate to purchase a better PSU "to futureproof" and then it's not useful in a couple years if they switch to the new standard.  (Then again, if the rumors that the 4000 series NVidia cards will be like twice the power draw are true, 750W won't be enough... so maybe it's a fools errand anyhow.)
     
    Thanks.
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    bob16314
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    Re: 750 BQ Fan rattling noise 2021/12/01 11:26:54 (permalink)
    I wouldn't worry about an ATX12VO PSU right now because the 24-pin ATX12V connector is replaced by 10-pin and 6-pin connectors and your current mobo won't accept those connectors..There's other changes too..If you get a mobo sometime in the future that conforms to the ATX12VO standard then you'll have to get an ATX12VO PSU unless the PSU manufacturer includes adapters/connectors like they say some Corsair units do now, or adapters become available through aftermarket sources.

    There's lots of articles on the ATX12VO standard like here and here and here.

    What's better for you now?..That just depends on what's better for your needs and wants..If I were to get another PSU now, I would for sure get one with ECO Mode or Auto ECO Mode for zero noise during low-load/temperature operation, or a Fanless unit that's just passively cooled and totally silent..I changed the stock fan in my Seasonic M12 II to a Noctua low-noise fan because it was too loud for me, but it's all good now.

    You can use the "Compare" feature on the pages for EVGA PSUs to see the differences.

    You can get a good estimate of your system wattage need and see some recommended-wattage PSUs from the Outervision PSU Calculator and also see what the electric cost saving would be between 80+ to 80+ Platinum units and in between (not really much per year).

    If you want a solid answer from me and you want an EVGA PSU, I'm just gonna say you should get a G6 which is very reasonably priced with a rebate and seems to be a good unit..Or change the fan in your BQ if you know how and accept the risks/hazards of working inside a PSU, and warranty would be voided if you did that.

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    Spectre630
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    Re: 750 BQ Fan rattling noise 2021/12/01 16:20:40 (permalink)
    bob16314
    Or change the fan in your BQ if you know how and accept the risks/hazards of working inside a PSU, and warranty would be voided if you did that.




    I had that thought, but I know there are risks and I'm not familiar with what they are exactly / how to mitigate them.  I'm guessing it's the capacitors and that there's some means of discharging them safely, but I barely trust myself with electrical work when I have the breaker switched much less this. :)
     
     
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    bob16314
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    Re: 750 BQ Fan rattling noise 2021/12/02 13:04:40 (permalink)
    Spectre630
    bob16314
    Or change the fan in your BQ if you know how and accept the risks/hazards of working inside a PSU, and warranty would be voided if you did that.



    I had that thought, but I know there are risks and I'm not familiar with what they are exactly / how to mitigate them.  I'm guessing it's the capacitors and that there's some means of discharging them safely, but I barely trust myself with electrical work when I have the breaker switched much less this. :)

     
    See my posts here and here..It's no great big deal to put another fan in it and change the connector..Use insulated needle nose pliers to unplug the connector and plug it back in again. 
     

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