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You are watching: 24 pin vs 20+4 pin

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My Mobo has a 24 pin connector from the power Supply Unit.I have to upgrade my PSU however most that the alternatives I to be looking at state 20+4 pen connector.Are they the very same or compatible?Thanks.
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Just a small tidbid to add to delluser1"s reply, if i may.Some PSUs have not "upgraded" come the complete 24-pin connector to keep compatible v older motherboards that can not have the extra 4-pin an are around the ATX connector to manage a fixed-size connector. So, manufacturers allow the new 4 pins to detach, so friend don"t end up with a perfectly great PSU and also motherboard no being maybe to occupational together.Keep in psychic that, even if the PSU doesn"t have actually a 24-pin (or 20+4 pin) connector, however only the conventional 20-pin + P4 connector (it have to be very rare these days), 24-pin motherboards space able come properly role with older 20-pin PSUs. I"ve done that myself in the past, you simply need to take care NOT come overtax your motherboard v high-drain materials (like high-end GPUs, especially much more than one).Oh, and also don"t worry, the 20 and also 24-pin ATX connectors space keyed, friend can"t have actually a motherboard meltdown by erroneously plugging in the connector. Perform keep in mind the the P4 and also "+4" connectors are interchangeable however NOT compatible, though. Luckily, they space color-keyed (P4 is yellow+black) and also you can"t usually strech the "+4" result in the P4 connector...Hope this helps.Miguel
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Apr 6, 2011101018,6800
Jun 5, 2011


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Thanks - really helpful. The Mobo is 2 year old and definitely has actually a 24-pin connector. I will certainly make sure I stop the 20 + P4 because I will have actually a an excellent GPU top top it.Regards,Ian