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Thread: Quiet PSU recommendations

  1. #1
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    Quiet PSU recommendations

    In my continuing pursuit to quieten down the worst offenders in my system, I've identified the ageing Enermax 425W PSU fan as being quite noisy (sounds like the bearings are worn/dry).

    My first thought was to try and just replace the fan, but having taken it apart (exceedingly carefully), I found that I would need to do some soldering to retain the original wires with the specific header that plugs into the PSU circuit board. Is it feasible to go ahead with this plan? It would be the cheapest solution.

    Alternatively, I was looking at a new PSU and came across the following (all £45-£50):

    Be Quiet Pure Power 9 350W
    Seasonic ECO-430
    Seasonic S12II-430W


    I am after quiet running, first and foremost. I run almost exclusively in maximum power saving mode, so I don't envisage a high wattage requirement at all. Specs are in my user profile.

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    Re: Quiet PSU recommendations

    Quote Originally Posted by Englander View Post
    My first thought was to try and just replace the fan, but having taken it apart (exceedingly carefully), I found that I would need to do some soldering to retain the original wires with the specific header that plugs into the PSU circuit board. Is it feasible to go ahead with this plan? It would be the cheapest solution.
    If your OK with soldering then I'd personally see no issue with that. Another solution would be splicing cable then using either a insulated/heat shrink crimp butt plug.
    i5 4690K @ 4.9GHz CPU@1.255v 4.4GHz Cache@1.10v - Archon SB-E X2 - Asus Maximus VII Ranger
    Kingston HyperX Savage 16GB@2400MHz 1T - Sapphire R9 Fury X (1145/545 Custom ROM, ~17.7K 3DM FS)
    Samsung 840 Evo 250GB - Cooler Master V850

    R7 1700@3.8GHz - Archon IB-E X2 - Asus Crosshair VI Hero - G.Skill Trident Z 3200MHz C14 - Sapphire Fury X (1145/545 Custom ROM, ~17.2K 3DM FS)
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  3. #3
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      • Motherboard:
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    Re: Quiet PSU recommendations

    Quote Originally Posted by gupsterg View Post
    If your OK with soldering then I'd personally see no issue with that. Another solution would be splicing cable then using either a insulated/heat shrink crimp butt plug.
    Any old fan? I've got a 3 pin noctua NF-P12 case fan which could be transferred to PSU duties.

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    Re: Quiet PSU recommendations

    If it was my PSU I was attempting this repair on I would view the label on the original fan and google that model no to get spec data, then aim to add similar RPM fan.

    What's the model no of your Enermax PSU?
    i5 4690K @ 4.9GHz CPU@1.255v 4.4GHz Cache@1.10v - Archon SB-E X2 - Asus Maximus VII Ranger
    Kingston HyperX Savage 16GB@2400MHz 1T - Sapphire R9 Fury X (1145/545 Custom ROM, ~17.7K 3DM FS)
    Samsung 840 Evo 250GB - Cooler Master V850

    R7 1700@3.8GHz - Archon IB-E X2 - Asus Crosshair VI Hero - G.Skill Trident Z 3200MHz C14 - Sapphire Fury X (1145/545 Custom ROM, ~17.2K 3DM FS)
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  5. #5
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    • Englander's system
      • Motherboard:
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      • CPU:
      • i5-6500
      • Memory:
      • 2x8GB Corsair Vengeance LPX 2666MHz
      • Storage:
      • SanDisk 128GB SSD
      • Graphics card(s):
      • Intel HD 530 Integrated Graphics
      • PSU:
      • Be Quiet! Straight Power 10 400W
      • Case:
      • Corsair Carbide 100R Silent Edition
      • Operating System:
      • Windows 10 64bit
      • Monitor(s):
      • Dell U2515H
      • Internet:
      • Plusnet 38Mb/2Mb

    Re: Quiet PSU recommendations

    Quote Originally Posted by gupsterg View Post
    If it was my PSU I was attempting this repair on I would view the label on the original fan and google that model no to get spec data, then aim to add similar RPM fan.

    What's the model no of your Enermax PSU?
    That's a reasonable thought - it's EMD425AWT

    EDIT: in fact, these are the fan detials: One 12025 axian fan. 450-1500RPM(±10%) @ 25 ℃,450-2000RPM(±10%)
    @ 40 ℃,speed auto controlled.

    EDIT 2: I've found out that it uses a special bi-voltage 4-wire fan (not PWM). http://www.silentpcreview.com/forums...ic.php?t=53000 half way down
    Last edited by Englander; 25-09-2016 at 04:42 PM.

  6. #6
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    • Englander's system
      • Motherboard:
      • ASUS Z170 Pro Gaming
      • CPU:
      • i5-6500
      • Memory:
      • 2x8GB Corsair Vengeance LPX 2666MHz
      • Storage:
      • SanDisk 128GB SSD
      • Graphics card(s):
      • Intel HD 530 Integrated Graphics
      • PSU:
      • Be Quiet! Straight Power 10 400W
      • Case:
      • Corsair Carbide 100R Silent Edition
      • Operating System:
      • Windows 10 64bit
      • Monitor(s):
      • Dell U2515H
      • Internet:
      • Plusnet 38Mb/2Mb

    Re: Quiet PSU recommendations

    Quote Originally Posted by Englander View Post
    That's a reasonable thought - it's EMD425AWT

    EDIT: in fact, these are the fan detials: One 12025 axian fan. 450-1500RPM(±10%) @ 25 ℃,450-2000RPM(±10%)
    @ 40 ℃,speed auto controlled.

    EDIT 2: I've found out that it uses a special bi-voltage 4-wire fan (not PWM). http://www.silentpcreview.com/forums...ic.php?t=53000 half way down
    Actually, given that my research has shown that Enermax uses a proprietary "bi-voltage" fan, it's proving far from simple to just do a straight swap. I think I'm resigning myself to just a new PSU (this one has lasted me a solid 6 years, anyway).

    Thoughts on the list in the original post, then, anyone? Also add in to the mix, Corsair CX430M
    Last edited by Englander; 25-09-2016 at 05:12 PM.

  7. #7
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      • CPU:
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      • Memory:
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      • Storage:
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      • Cooler Master V850
      • Case:
      • Silverstone Temjin 06 plus mods ;)
      • Operating System:
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      • Monitor(s):
      • Asus MG279Q
      • Internet:
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    Re: Quiet PSU recommendations

    After you gave the model number I found looked at that thread plus final page of this has the info. I wouldn't change the fan after viewing all this info.
    i5 4690K @ 4.9GHz CPU@1.255v 4.4GHz Cache@1.10v - Archon SB-E X2 - Asus Maximus VII Ranger
    Kingston HyperX Savage 16GB@2400MHz 1T - Sapphire R9 Fury X (1145/545 Custom ROM, ~17.7K 3DM FS)
    Samsung 840 Evo 250GB - Cooler Master V850

    R7 1700@3.8GHz - Archon IB-E X2 - Asus Crosshair VI Hero - G.Skill Trident Z 3200MHz C14 - Sapphire Fury X (1145/545 Custom ROM, ~17.2K 3DM FS)
    Samsung 840 Evo 250GB - Cooler Master V850


  8. #8
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      • Motherboard:
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      • CPU:
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      • Memory:
      • 2x8GB Corsair Vengeance LPX 2666MHz
      • Storage:
      • SanDisk 128GB SSD
      • Graphics card(s):
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      • PSU:
      • Be Quiet! Straight Power 10 400W
      • Case:
      • Corsair Carbide 100R Silent Edition
      • Operating System:
      • Windows 10 64bit
      • Monitor(s):
      • Dell U2515H
      • Internet:
      • Plusnet 38Mb/2Mb

    Re: Quiet PSU recommendations

    Ok, just for completion, I've just about settled on a Be Quiet Straight Power 10 400W.

    It is ridiculously quiet and is tier 2 on the Tom's Hardware PSU tier list. The drawback is that it's fully wired, but that's what the space behind the motherboard tray is for, I suppose.

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    Re: Quiet PSU recommendations

    You can go Wrong with the Be Quiet it work really well.

  10. #10
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    Re: Quiet PSU recommendations

    Go with the Seasonic, great brand and extremely reliable. Bought 1 unit, 520w for my daughters gaming PC. Bronze rated, really quiet and lot's of connections. £50 odd on SCAN a few weeks ago, LINK!

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