Genuine Dell P2721 3N200 160W Power Supply PSU Power Brick, For OptiPlex GX60, GX240, GX260, GX270 Dimension 2400c, 4500C, 4600C, Small Form Factor (SFF) Systems, Interchangeable Dell Parts: P2721 3Y147 3N200 P0813 7E220 Compatible Model Numbers: HP-L161NF3P, PS-5161-7D, PS-5161-1D1, PS-5161-1D1S Genuine Dell Replacement Power Supply, For Dell Dimension 2400C, 4600C, 4500C For Dell SFF OptiPlex GX60, GX240, GX260, GX270 160W Max Output, 100-120V or 200-240V Input, Dimensions: 8.5" x 2.25" x 2.75" Models: HP-L161NF3P, PS-5161-7D, PS-5161-1D1, PS-5161-1D1S Interchangeable Dell Parts: P2721 3Y147 3N200 P0813 7E220