Genuine Dell CPU Case PC Fan 92mm OptiPlex Dell 92mm CPU/Case Fan 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, 160L, 170L For Dimension 1100, 2400, 3000, 4300, 4400, 4500, 4550, 8200, 8300, B110 For PWS 360, 350, 340 & PowerEdge 400SC