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Will my psu work

Hi, I recently bought a new gpu, the 7750, and I have an antec ea 380 psu and I thought it would work, since it's a quality brand with combined 32 amps on both rails, but I read somewhere that the mobo and cpu draw power from the first rail and the gpu draws power from the 2nd.. yeah, but the 7750 doesn't require a 6-pin connector and basically it's powered by the motherboard and thus from the first rail imho. Is that really the case, or despite the lack of a 6-pin connector it still draws power from the 2nd rail? I'm asking because my psu's rails are 17 and 15 amps and my rig is said to require 18 amps at max.
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  1. shaashi said:
    Hi, I recently bought a new gpu, the 7750, and I have an antec ea 380 psu and I thought it would work, since it's a quality brand with combined 32 amps on both rails, but I read somewhere that the mobo and cpu draw power from the first rail and the gpu draws power from the 2nd.. yeah, but the 7750 doesn't require a 6-pin connector and basically it's powered by the motherboard and thus from the first rail imho. Is that really the case, or despite the lack of a 6-pin connector it still draws power from the 2nd rail? I'm asking because my psu's rails are 17 and 15 amps and my rig is said to require 18 amps at max.


    Just install the card normally. if you have problems, get a new psu.
  2. Best answer
    For a system running with a 7750 u need only 16amps and a 400w psu ur psu would be enough and there is nothing fixed what rail will power which but in any case ur psu wud be fine
  3. ty sn1992 you were helpful unlike ryan up there
  4. shaashi said:
    ty sn1992 you were helpful unlike ryan up there


    sorry. just trying to help. didn't know what else to say.
  5. Sure man u r welcome
    dont frget to pick a solution to ur thread
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