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Will my psu work

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August 14, 2013 10:46:05 PM

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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August 14, 2013 11:58:58 PM

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.
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Best solution

a b ) Power supply
August 15, 2013 12:10:48 AM

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
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August 15, 2013 12:16:02 AM

ty sn1992 you were helpful unlike ryan up there
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August 15, 2013 12:22:56 AM

shaashi said:
ty sn1992 you were helpful unlike ryan up there


sorry. just trying to help. didn't know what else to say.
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a b ) Power supply
August 15, 2013 12:37:46 AM

Sure man u r welcome
dont frget to pick a solution to ur thread
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!