Dell Precision T3500 Workstation PSU 525W Power Supply (6W6M1) 525W Max Output Input 100-240v 50-60 GHz Dell Part Numbers: U597G, 0G05V, M821J, M822J, 6W6M1, X008G Model Numbers: NPS-525BB A, N525EF-00, H525EF-00, D525E001L, D525AF-00, DPS-525FB A, H525AF-00, HP-D5253A0, H525AF-00, D525A001L, H525EF-00, HP-D5252E0