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Antec TruePower New TP-650 compatible with SINGLE GTX 560 Ti

Hi,

I currently have an Antec TruePower New TP-650 PSU with ouputs of +3.3V@25A, +5V@25A, +12V1@22A, +12V2@22A, +12V3@25A, +12V4@25A, -12V@0.8A, +5VSB@3.0A. According to EVGA 560 Ti, it requires 500 Watt or greater power supply (Minimum recommended power supply with +12 Volt current rating of 30 Amps.).

The problem here is, my max 1 rail 12 V is only 25 A, and the gphx card recommends 30 Amps. I am assuming the gphx card probably wont take up all 30 A because P=IV and 30A*12V =360 W, which is quite ridiculous but I could be wrong. Anyways, do you guys think the current Amps I have is sufficient?

Many thanks in advance!

http://www.newegg.com/Product/Product.aspx?Item=N82E16817371021
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130604&cm_re=gtx_560-_-14-130-604-_-Product
9 answers Last reply Best Answer
More about antec truepower compatible single
  1. The amps don't have to come from a single rail ( and won't ), they reccomend that your psu have a total 12v output of 30a.
    If it will make you more comfortable, the actual OCP trip point is 40a
    http://www.antec.com/Believe_it/product.php?id=MTc1OQ==

    Nothing to worry about.
  2. Best answer
    +1^ remember 75w (6.25A) comes from the pcie slot itself which would be on a different 12v rail to the extra pcie power connector.
  3. delluser1 said:
    The amps don't have to come from a single rail ( and won't ), they reccomend that your psu have a total 12v output of 30a.
    If it will make you more comfortable, the actual OCP trip point is 40a
    http://www.antec.com/Believe_it/product.php?id=MTc1OQ==

    Nothing to worry about.


    I am no computer enthusiast and I am very confused. Out of curiosity, if the amps don't come from a specific rail, then what is the point of the multi-rail? Isn't to prevent the whole system from frying instead of like a specific part?
  4. delluser1 said:
    The amps don't have to come from a single rail ( and won't ), they reccomend that your psu have a total 12v output of 30a.
    If it will make you more comfortable, the actual OCP trip point is 40a
    http://www.antec.com/Believe_it/product.php?id=MTc1OQ==

    Nothing to worry about.


    If they recommend that the PSU to have a total 12v output of 30a, are you implying that the amps are additive?
    I thought you can't add amps coming from other rails so that it can exceed 30amps?
  5. lol... tmi, bottom line: the gfx card will work. I believe mousemonkey (mod) has sli'd gtx560ti running on a corsair hx 620W psu, which has 18A 12V rails.
  6. wth... LOL, i mean yeah i do have my rig operating with those specs, and it seems to be running fine, but the amp thing bothers me and I just wan't to understand how this amp thingy with split rails work.
  7. Best answer selected by d4rkka0s.
  8. This topic has been closed by Mousemonkey
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