Genuine Dell 275 Watt Power Supply for Dimension 5100c, 5150c XPS 200 Optiplex GX520 GX620 Small Form Factor (SFF) Systems Compatible Part Numbers: K8964, TD570, YD080, N8373, WD861 Compatible Model Numbers: H220P-01, N220P-01, N275P-00, H275P-00 Genuine Dell Replacement Power Supply For Dell Dimension 5100C, 5150C / XPS 200 SFF For Dell Optiplex GX520, GX620 SFF 275 W Max Output 100-120V or 200-240V Input