550W Desktop Power Supply Replacement, PA-5551-1HA PCK026 L75200-001 L75200-004 PSU Compatible with HP EliteDesk 800 880 G4 G5 G6 & Z1 Z2 Workstation

550W power supply is exclusively compatible with HP desktop and workstation models, perfectly fits HP EliteDesk 800 G4, 800 G5, 800 G6, 880 G4, 880 G5, 880 G6 tower versions, and HP Z1, Z2 G4/G5/G6 workstations. Replaces official part numbers: PA-5551-1HA, PCK026, L75200-001, L75200-004, fully matching original equipment specifications.

550W replacement power supply is a high-precision OEM-grade power unit designed for HP desktop computers and workstations. It perfectly replaces the original HP power supply with part numbers PA-5551-1HA, PCK026, L75200-001 and L75200-004, widely compatible with HP EliteDesk 800 G4/G5/G6, 880 G4/G5/G6 tower desktops, as well as HP Z1, Z2 series workstations, solving the problems of old power supply damage, aging and insufficient power.

With a standard 550W rated power output, this PSU delivers continuous, stable and efficient power supply, fully meeting the power consumption needs of office software, image design, video editing and daily entertainment. Adopting professional circuit design and multiple safety protection mechanisms, it effectively prevents circuit overload, short circuit, overheating and other abnormal conditions, comprehensively protecting your host hardware and data security.

The built-in high-speed silent cooling fan achieves efficient heat circulation and rapid heat dissipation, effectively reducing operating temperature and extending the service life of the power supply. With low noise operation and strong stability, it supports long-term uninterrupted work. Every power supply undergoes strict aging testing and performance inspection before delivery to ensure stable and reliable quality. It is the best replacement and upgrade accessory for HP corresponding models.