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Thread: Power Supply 20-24 pin

  1. #1
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    Power Supply 20-24 pin

    I have a nice thermaltake 480w power supply but it only has a 20 pin motherboard connnecter and I now have a motherboard with a 24-pin connecter.
    I was wondering if there would be any potential problem problem in just buying a 20-24pin converter or if there is a more substantial difference difference in the new connecter type other than the superficial. I don't wan't to fork out on a new power supply but I don't want all my nice new kit melting in 6 months time.
    Musing replies would be nice but hard facts better.

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    Not Very Senior Member RavenNight's Avatar
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    Well my friend was in the same boat and he's been using a 20-24 pin adapter happily for about six months now, as far as I know they're fine.
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    For the sake of it i would sell your existing PSU and buy a Seasonic 500w. This has a 24pin connector and is an ace PSU. If you are going to worry about using an adapter then get a new PSU mate.

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    Using the 20-pin connector on a 24-pin motherboard is fine, I've done it myself and it was stable. I wouldn't recommend using a 20-24pin adaptor, I hear they do more harm than good.

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    Eosamite Rhyth's Avatar
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    ^^what he said^^
    Rhyth is selling:
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    Proven good copies.

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    Currently using a 20/24 pin adaptor on a silverstone 460W psu and an Abit an8 with an amd 3800 x2, a cheap Nvidia 6200 graphics card and two hdds, without any problems.

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    thanks for the info, I'll see if I can catch my dad in a generous mood whilst i'm home and get a new psu. Otherwise the adapter will have to do.

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    Eosamite Rhyth's Avatar
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    The mother board should run fine with a 20pin atx lead mate? just leave pins 11,12,23 and 24 un-connected, though I'd refere to your own mother board manual first. If you lost it it's probably available online
    Rhyth is selling:
    Tamron 17-50mm F2.8 XR Di ll LD Aspherical (IF) £230 +pp
    Canon 50mm 1.8 II £50 +pp
    Proven good copies.

    Those who look out dream, those who look inward, awake. Jung

  9. #9
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    • aidanjt's system
      • Motherboard:
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      • Graphics card(s):
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    Its not always needed, depends on the motherboard. Although even when it isn't needed, the extra current helps stability.
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    Quote Originally Posted by aidanjt
    Its not always needed, depends on the motherboard. Although even when it isn't needed, the extra current helps stability.
    I don't know much about electronics so I'll have to ask if the adapter would work in parallel(?), as in draw more current or if it spreads the charge. I guess a simpler way to put that would be to ask if the adapter has any theoretical difference to a regular 24pin connecter.

    as for the adventurous just stick it in idea it's not that I don't trust your advice but i'd have to drown myself in a river of beer if i bought all this stuff and blew it up for the sake of a £1.75 adapter.

  11. #11
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    • aidanjt's system
      • Motherboard:
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      • CPU:
      • Intel i7-8700K
      • Memory:
      • 2x8GB Corsiar LPX 3000C15
      • Storage:
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      • Graphics card(s):
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    Quote Originally Posted by turgid
    I don't know much about electronics so I'll have to ask if the adapter would work in parallel(?), as in draw more current or if it spreads the charge. I guess a simpler way to put that would be to ask if the adapter has any theoretical difference to a regular 24pin connecter.
    It depends on the PSU, but generally no, the adapter will surfice as long as your old PSU will provide enough current, if its a fairly new PSU it will do so easily.
    Quote Originally Posted by Agent View Post
    ...every time Creative bring out a new card range their advertising makes it sound like they have discovered a way to insert a thousand Chuck Norris super dwarfs in your ears...

  12. #12
    merlin2001
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    not sure how helpful this is - but if you have a new m/board to get s939 and PCI-E support (like i did), you may be better off returning the new board and getting the ASRock Dual SATA as it is designed for 20pin PSU's.

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