Genuine Dell Case Fan and Assembly for Dimension 9100, 9150, 9200, XPS 400, XPS 410, 420, Precision 380, 390, Power Edge SC440, SC430. Part Numbers: P8192, D8794, P8107 For Dimension Systems - 9100, 9150, 9200, XPS 400, XPS 410 For Precision Systems - 380, 390 For Power Edge Systems - SC440, SC430 Compatible Part Numbers - D8794, P8107