Genuine Dell 255W Power Supply PSU For Dell Optiplex 360, 390, 580, 760, 780, 960 MT Mini Tower Systems Replaces Model Numbers: NPS-305KB A, N305P-01, NPS-305HB A, N305P-05, AC305AM-00, NPS-305FB D, N305N-00, H305P-02, PS-6311-5DF-LF, L305P-01, L305-03, HP-P3077F3, H305N-00, N305P-06, L305P-03, PS-6311-6DF-LF, F30FP-00, VP-0900050-00 Replaces Dell Part Numbers: XK215 NH493 HK595 C248C CY827 F305P HP201 JH994 M360M MH495 MK9GY PH333 PW114 WU133 XK376 PF3TR P192M 255W Output Dell Part Numbers: N805F PW115 FR607 N804F D326T F233T T3JNM X472M Model Part Numbers: PS-6261-9DA, L255EM-01, F255E-00, B255PD-00, H255PD-00, H255E-00