How many fans can a GPU fan header handle?

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never occurred to me before today but forgot to cancel an order and had some more ff5 varders turn up and wondering if its safe to have 4 of them running off the GPU? Have 2 on a AIO cooler and was running them off the GPU fan header so i can use afterburner as a controller and figure i might as well put them to use in push/pull if it can handle it. the fans probably wont spin up to more than 1800 rpm but i have no idea what fan headers on gpu's are like, it's the 290x from my sig btw

 

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Power Draw: 5.64W

2 I reckon. It might be more than 1A but not sure how well publicised the rating will be. The connector itself is only rated for 2A per circuit so it will be less than that.

Route the power from a Molex/SATA but have the PWM come from the GPU header, problem is then solved.

 

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K thanks for the heads up. guess I'm running 2 for the mean time