Original Genuine Dell Power Supply 180W For OptiPlex GX60, GX240, GX260 Small Desktop (SD) Part Numbers Genuine Dell Replacement Power Supply For Dell OptiPlex Small Desktop: GX60, GX240, GX260 180 W Max Output; 100-120V or 200-240V Input Dimensions: 11 W x 1.5 H x 4 D (Inches)