In terms of advantages of curved blades we do see them as doing better at pushing air through radiators under certain circumstance however that is usually under more extreme circumstances such as high altitude or ultra high temperatures. (장점은 성능이 좋아... 이 자식 잘 못 알고 있네 ㅋ)
In terms of disadvantages you can't get them in different colors where our straight fans we do offer them in different colors for certain sizes. (단점은 껌정만 있어)
If you have other questions please let me know. Thanks,