Genuine Dell Replacement CPU Case Cooling Fan For The Following Dell Systems: Dimension 4300, 4400, 4550, 8200, 8250, 8300 Optiplex Towers GX60, GX240, GX260, GX270 PWS 360, 350, 340, and PowerEdge 400SC, Replaces All of The Following Dell Part Numbers: 4W022, 9M060, W0101, 929FF, 6985R, Fits The Following Dell Cooling Assemblies: 2X585, P0676, 7Y292, 0P020, 2X002 Dell CPU/Case Cooling Fan For Various Optiplex and Dimension systems This fan uses a 3-Pin Power Connector and it's dimensions are 3 5/8" x 3 5/8" x 1 1/4" For OptiPlex GX60, GX240, GX260, GX270 For Dimension 4300, 4400, 4500, 4550, 8200, 8300 For PWS 360, 350, 340 & PowerEdge 400SC