컴퓨터 살때부터 안돌아갔는데 팬뒷부분 쿨러   사야지사야지 미루다가  시피유 쿨러 바꾸면서 구입해서 설치하게되었습니다   처음 설치해봐서 흡배기 방향이 헷갈렸는데   x같은 막힌것 같은 부분이 배기이고   아무것도 없는 날개부분이 흡입이라고 검색해보고 설치했네요   이부분이 좀 아쉬운데  흡배기 화살표가 없음 암튼 소음 없고 잘돌아가네요  대만족