Specification ModelPCK026 L75200-004 AC Input100-240V 50-60Hz 6.6A DC Output+12.1VMAIN18A +12.1VCPU1/CPU218A MAX Output Power550Watts Compatible Part Numbers : PCK026 PA-5551-1HA PA-5501-2 PA-3401-2HA PA-3401-1HA Compatible Model Numbers L75200-004 L75200-001 L77487-001 L76557-001 901759-013 942332-001 DPS-500AB-32 A Compatibility Compatible with HP Z2 Z1 800 880 G4 G5 G6 Connectors: 4Pin(P1)+7Pin(P2) Connector ATX SYS 4Pin*2(P3,P4) Connector ATX CPU 2+6pin*2(P5,P6) Connector Video card PCI-E